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Rule Dark Skies

Dark Skies Forecast for Alps

Alps, Switzerland

Astrophotography in the Alps. Find dark, clear nights above Zermatt, Saas-Fee, and the Engadin, with moonlight and mountain weather considered.

33 matching opportunities in the 14-day forecast.

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
pristinedarkskies weather icon
First upcoming window
Pristine Dark Skies (pristine)
Lauterbrunnen
Wed, Nov 4 · 19:00–23:00 · 4h window
Medium confidence
60%
🌛Moon Altitude-41.1--35.2°
☁️Total Cloud Coverage0-2%
pristinedarkskies weather icon
Pristine Dark Skies (pristine)
Mürren
Wed, Nov 4 · 19:00–23:00
🌛Moon Altitude:-41.2--35.3°
Medium
pristinedarkskies weather icon
Pristine Dark Skies (pristine)
Grindelwald
Wed, Nov 4 · 19:00–23:00
🌛Moon Altitude:-41.1--35.3°
Medium
pristinedarkskies weather icon
Pristine Dark Skies (pristine)
Wengen
Wed, Nov 4 · 19:00–21:00
🌛Moon Altitude:-39.7--35.2°
Medium
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Pristine Dark Skies (pristine)
Interlaken
Wed, Nov 4 · 19:00–24:00
🌛Moon Altitude:-41--34.4°
Medium
pristinedarkskies weather icon
Pristine Dark Skies (pristine)
Chamonix
Wed, Nov 4 · 21:00–22:00
🌛Moon Altitude:-41.8°
Medium
pristinedarkskies weather icon
Pristine Dark Skies (pristine)
Verbier
Wed, Nov 4 · 22:00–23:00
🌛Moon Altitude:-39.9°
Medium
+26 more windows in the next 14 days

Location status

0 of 11 locations matching now

Matterhorn

Not matching

The Matterhorn’s pyramid summit rises above Zermatt’s larch slopes and alpine lakes, creating clean silhouettes, reflections and warm first-light studies.

Zermatt, Valais, Switzerland

Blocked by: Visibility too low (140.0, ≥ 12000.0m)

Next opportunity in ~3 days 17h

1 opportunity in the 14-day forecast

View forecast

Grindelwald

Not matching

Grindelwald sits beneath the Eiger’s immense north face, with timber chalets, green meadows and valley lines building depth toward snow-covered peaks.

Grindelwald, Bern, Switzerland

Blocked by: Visibility too low (1km, ≥ 12000.0m)

Next opportunity in ~11h 15m

4 opportunities in the 14-day forecast

View forecast

Zermatt

Not matching

Zermatt provides Matterhorn views above larch forest, village rooftops and mountain lakes, with winter snow simplifying slopes into graphic tonal layers.

Zermatt, Valais, Switzerland

Blocked by: Moon Altitude too high (46°, ≤ 10.0°)

Next opportunity in ~15h 15m

2 opportunities in the 14-day forecast

View forecast

Lauterbrunnen

Not matching

Lauterbrunnen’s narrow valley combines sheer cliffs, tall waterfalls, meadows and chalet villages, creating strong vertical subjects beneath high peaks.

Lauterbrunnen, Bern, Switzerland

Blocked by: Moon Altitude too high (45°, ≤ 10.0°)

Next opportunity in ~11h 15m

5 opportunities in the 14-day forecast

View forecast

St. Moritz

Not matching

St. Moritz overlooks the Engadin’s chain of lakes and larch-covered slopes, where frozen water and snowfields create broad minimalist winter compositions.

Saint Moritz, Canton Grisons, Switzerland

Blocked by: Total Cloud Coverage too high (66%, ≤ 20.0%)

View forecast

Chamonix

Not matching

Chamonix lies below the Mont Blanc massif, with glaciers, sharp aiguilles and valley architecture supplying dramatic contrasts of rock, ice and settlement.

Chamonix, Auvergne-Rhône-Alpes, France

Blocked by: Moon Altitude too high (45°, ≤ 10.0°)

Next opportunity in ~13h 15m

2 opportunities in the 14-day forecast

View forecast

Interlaken

Not matching

Interlaken sits between Lakes Thun and Brienz, where turquoise water, wooded ridges and distant Bernese peaks form broad, receding landscape layers.

Interlaken, Bern, Switzerland

Blocked by: Total Cloud Coverage too high (69%, ≤ 20.0%)

Next opportunity in ~11h 15m

5 opportunities in the 14-day forecast

View forecast

Wengen

Not matching

Wengen’s car-free village occupies a sunny bench above Lauterbrunnen, pairing chalet foregrounds with sweeping views toward the Jungfrau massif.

Wengen, Bern, Switzerland

Blocked by: Moon Altitude too high (45°, ≤ 10.0°)

Next opportunity in ~11h 15m

6 opportunities in the 14-day forecast

View forecast

Mürren

Not matching

Mürren clings to a high terrace opposite the Eiger, Mönch and Jungfrau, with chalet roofs and meadow lines anchoring the panoramic mountain wall.

Mürren, Bern, Switzerland

Blocked by: Moon Altitude too high (45°, ≤ 10.0°)

Next opportunity in ~11h 15m

4 opportunities in the 14-day forecast

View forecast

Verbier

Not matching

Verbier overlooks broad Valais ridges toward the Mont Blanc massif, combining ski slopes, larch forest and layered peaks in winter and summer views.

Verbier, Valais, Switzerland

Blocked by: Moon Altitude too high (45°, ≤ 10.0°)

Next opportunity in ~14h 15m

4 opportunities in the 14-day forecast

View forecast

Saas-Fee

Not matching

Saas-Fee is enclosed by glaciers and high summits, where traditional timber buildings, larch woods and ice-covered peaks create compact alpine layers.

Saas-Fee, Valais, Switzerland

Blocked by: Moon Altitude too high (46°, ≤ 10.0°)

View forecast

What's blocking opportunities

73-hour forecast horizon; times in Europe/Zurich.

Top 5 blocking conditions across 11 of 11 locations
Some blocked
Most blocked
4 Wed
5 Thu
6 Fri
7 Sat
06
12
18
24
06
12
18
24
06
12
18
24
06
Total Cloud Coverage (≤ 20.0%)
79% blocked
Total Cloud Coverage (≤ 20.0%), Wed 6am: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 7am: 4 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 8am: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 9am: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 10am: 4 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 11am: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 12pm: 7 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 1pm: 6 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 2pm: 7 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 3pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 4pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 5pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 6pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 7pm: 6 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 8pm: 6 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 9pm: 6 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 10pm: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Wed 11pm: 8 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 12am: 8 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 1am: 4 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 2am: 6 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 3am: 8 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 4am: 8 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 5am: 6 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 6am: 6 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 7am: 9 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 8am: 8 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 9am: 3 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 10am: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 11am: 3 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 12pm: 3 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 1pm: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 2pm: 4 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 3pm: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 4pm: 5 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 5pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 6pm: 10 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 7pm: 8 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 8pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 9pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 10pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Thu 11pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 12am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 1am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 2am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 3am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 4am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 5am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 6am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 7am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 8am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 9am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 10am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 11am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 12pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 1pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 2pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 3pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 4pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 5pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 6pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 7pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 8pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 9pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 10pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Fri 11pm: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Sat 12am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Sat 1am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Sat 2am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Sat 3am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Sat 4am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Sat 5am: 11 of 11 locations blocked
Total Cloud Coverage (≤ 20.0%), Sat 6am: 11 of 11 locations blocked
Astronomical Night (Any)
51% blocked
Astronomical Night (Any), Wed 6am: 11 of 11 locations blocked
Astronomical Night (Any), Wed 7am: 11 of 11 locations blocked
Astronomical Night (Any), Wed 8am: 11 of 11 locations blocked
Astronomical Night (Any), Wed 9am: 11 of 11 locations blocked
Astronomical Night (Any), Wed 10am: 11 of 11 locations blocked
Astronomical Night (Any), Wed 11am: 11 of 11 locations blocked
Astronomical Night (Any), Wed 12pm: 11 of 11 locations blocked
Astronomical Night (Any), Wed 1pm: 11 of 11 locations blocked
Astronomical Night (Any), Wed 2pm: 11 of 11 locations blocked
Astronomical Night (Any), Wed 3pm: 11 of 11 locations blocked
Astronomical Night (Any), Wed 4pm: 11 of 11 locations blocked
Astronomical Night (Any), Wed 5pm: 11 of 11 locations blocked
Astronomical Night (Any), Wed 6pm: 0 of 11 locations blocked
Astronomical Night (Any), Wed 7pm: 0 of 11 locations blocked
Astronomical Night (Any), Wed 8pm: 0 of 11 locations blocked
Astronomical Night (Any), Wed 9pm: 0 of 11 locations blocked
Astronomical Night (Any), Wed 10pm: 0 of 11 locations blocked
Astronomical Night (Any), Wed 11pm: 0 of 11 locations blocked
Astronomical Night (Any), Thu 12am: 0 of 11 locations blocked
Astronomical Night (Any), Thu 1am: 0 of 11 locations blocked
Astronomical Night (Any), Thu 2am: 0 of 11 locations blocked
Astronomical Night (Any), Thu 3am: 0 of 11 locations blocked
Astronomical Night (Any), Thu 4am: 0 of 11 locations blocked
Astronomical Night (Any), Thu 5am: 0 of 11 locations blocked
Astronomical Night (Any), Thu 6am: 11 of 11 locations blocked
Astronomical Night (Any), Thu 7am: 11 of 11 locations blocked
Astronomical Night (Any), Thu 8am: 11 of 11 locations blocked
Astronomical Night (Any), Thu 9am: 11 of 11 locations blocked
Astronomical Night (Any), Thu 10am: 11 of 11 locations blocked
Astronomical Night (Any), Thu 11am: 11 of 11 locations blocked
Astronomical Night (Any), Thu 12pm: 11 of 11 locations blocked
Astronomical Night (Any), Thu 1pm: 11 of 11 locations blocked
Astronomical Night (Any), Thu 2pm: 11 of 11 locations blocked
Astronomical Night (Any), Thu 3pm: 11 of 11 locations blocked
Astronomical Night (Any), Thu 4pm: 11 of 11 locations blocked
Astronomical Night (Any), Thu 5pm: 11 of 11 locations blocked
Astronomical Night (Any), Thu 6pm: 0 of 11 locations blocked
Astronomical Night (Any), Thu 7pm: 0 of 11 locations blocked
Astronomical Night (Any), Thu 8pm: 0 of 11 locations blocked
Astronomical Night (Any), Thu 9pm: 0 of 11 locations blocked
Astronomical Night (Any), Thu 10pm: 0 of 11 locations blocked
Astronomical Night (Any), Thu 11pm: 0 of 11 locations blocked
Astronomical Night (Any), Fri 12am: 0 of 11 locations blocked
Astronomical Night (Any), Fri 1am: 0 of 11 locations blocked
Astronomical Night (Any), Fri 2am: 0 of 11 locations blocked
Astronomical Night (Any), Fri 3am: 0 of 11 locations blocked
Astronomical Night (Any), Fri 4am: 0 of 11 locations blocked
Astronomical Night (Any), Fri 5am: 0 of 11 locations blocked
Astronomical Night (Any), Fri 6am: 11 of 11 locations blocked
Astronomical Night (Any), Fri 7am: 11 of 11 locations blocked
Astronomical Night (Any), Fri 8am: 11 of 11 locations blocked
Astronomical Night (Any), Fri 9am: 11 of 11 locations blocked
Astronomical Night (Any), Fri 10am: 11 of 11 locations blocked
Astronomical Night (Any), Fri 11am: 11 of 11 locations blocked
Astronomical Night (Any), Fri 12pm: 11 of 11 locations blocked
Astronomical Night (Any), Fri 1pm: 11 of 11 locations blocked
Astronomical Night (Any), Fri 2pm: 11 of 11 locations blocked
Astronomical Night (Any), Fri 3pm: 11 of 11 locations blocked
Astronomical Night (Any), Fri 4pm: 11 of 11 locations blocked
Astronomical Night (Any), Fri 5pm: 11 of 11 locations blocked
Astronomical Night (Any), Fri 6pm: 0 of 11 locations blocked
Astronomical Night (Any), Fri 7pm: 0 of 11 locations blocked
Astronomical Night (Any), Fri 8pm: 0 of 11 locations blocked
Astronomical Night (Any), Fri 9pm: 0 of 11 locations blocked
Astronomical Night (Any), Fri 10pm: 0 of 11 locations blocked
Astronomical Night (Any), Fri 11pm: 0 of 11 locations blocked
Astronomical Night (Any), Sat 12am: 0 of 11 locations blocked
Astronomical Night (Any), Sat 1am: 0 of 11 locations blocked
Astronomical Night (Any), Sat 2am: 0 of 11 locations blocked
Astronomical Night (Any), Sat 3am: 0 of 11 locations blocked
Astronomical Night (Any), Sat 4am: 0 of 11 locations blocked
Astronomical Night (Any), Sat 5am: 0 of 11 locations blocked
Astronomical Night (Any), Sat 6am: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%)
43% blocked
Precipitation Chance (≤ 10.0%), Wed 6am: 3 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 7am: 3 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 8am: 3 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 9am: 3 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 10am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 11am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 12pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 1pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 2pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 3pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 4pm: 3 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 5pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 6pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 7pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 8pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 9pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 10pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Wed 11pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 12am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 1am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 2am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 3am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 4am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 5am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 6am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 7am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 8am: 3 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 9am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 10am: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 11am: 0 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 12pm: 0 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 1pm: 0 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 2pm: 0 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 3pm: 0 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 4pm: 0 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 5pm: 0 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 6pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 7pm: 1 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 8pm: 3 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 9pm: 4 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 10pm: 4 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Thu 11pm: 5 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 12am: 4 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 1am: 4 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 2am: 4 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 3am: 5 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 4am: 5 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 5am: 8 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 6am: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 7am: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 8am: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 9am: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 10am: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 11am: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 12pm: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 1pm: 10 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 2pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 3pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 4pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 5pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 6pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 7pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 8pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 9pm: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 10pm: 9 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Fri 11pm: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Sat 12am: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Sat 1am: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Sat 2am: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Sat 3am: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Sat 4am: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Sat 5am: 11 of 11 locations blocked
Precipitation Chance (≤ 10.0%), Sat 6am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°)
38% blocked
Moon Altitude (≤ 10.0°), Wed 6am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 7am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 8am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 9am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 10am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 11am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 12pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 1pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 2pm: 2 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 3pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 4pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 5pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 6pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 7pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 8pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 9pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 10pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Wed 11pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 12am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 1am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 2am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 3am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 4am: 2 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 5am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 6am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 7am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 8am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 9am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 10am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 11am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 12pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 1pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 2pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 3pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 4pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 5pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 6pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 7pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 8pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 9pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 10pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Thu 11pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 12am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 1am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 2am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 3am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 4am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 5am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 6am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 7am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 8am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 9am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 10am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 11am: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 12pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 1pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 2pm: 11 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 3pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 4pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 5pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 6pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 7pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 8pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 9pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 10pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Fri 11pm: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Sat 12am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Sat 1am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Sat 2am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Sat 3am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Sat 4am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Sat 5am: 0 of 11 locations blocked
Moon Altitude (≤ 10.0°), Sat 6am: 0 of 11 locations blocked
Visibility (≥ 12000.0m)
19% blocked
Visibility (≥ 12000.0m), Wed 6am: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 7am: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 8am: 3 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 9am: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 10am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 11am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 12pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 1pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 2pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 3pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 4pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 5pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 6pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 7pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 8pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 9pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 10pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Wed 11pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 12am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 1am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 2am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 3am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 4am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 5am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 6am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 7am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 8am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 9am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 10am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 11am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 12pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 1pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 2pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 3pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 4pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 5pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 6pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 7pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 8pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 9pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 10pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Thu 11pm: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 12am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 1am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 2am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 3am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 4am: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 5am: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 6am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 7am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 8am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 9am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 10am: 1 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 11am: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 12pm: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 1pm: 2 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 2pm: 3 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 3pm: 3 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 4pm: 4 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 5pm: 4 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 6pm: 6 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 7pm: 7 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 8pm: 8 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 9pm: 7 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 10pm: 7 of 11 locations blocked
Visibility (≥ 12000.0m), Fri 11pm: 5 of 11 locations blocked
Visibility (≥ 12000.0m), Sat 12am: 6 of 11 locations blocked
Visibility (≥ 12000.0m), Sat 1am: 6 of 11 locations blocked
Visibility (≥ 12000.0m), Sat 2am: 6 of 11 locations blocked
Visibility (≥ 12000.0m), Sat 3am: 6 of 11 locations blocked
Visibility (≥ 12000.0m), Sat 4am: 4 of 11 locations blocked
Visibility (≥ 12000.0m), Sat 5am: 3 of 11 locations blocked
Visibility (≥ 12000.0m), Sat 6am: 4 of 11 locations blocked
How to read: Each row shows when a condition blocks opportunities. Stronger red means more locations are affected. These are the top 5 conditions preventing matches across the 73-hour forecast.

Astrophotography in the Alps. Find dark, clear nights above Zermatt, Saas-Fee, and the Engadin, with moonlight and mountain weather considered.

This rule looks for true astronomical night, cloud cover no higher than 20%, visibility of at least 12 km, precipitation probability no higher than 10%, and either Moon illumination no higher than 35% or Moon altitude no higher than 10°. It does not calculate Galactic Centre or Milky Way core altitude; check a sky planner for the subject's position.

High Alpine elevation can place photographers above valley haze, with the Matterhorn above Zermatt, glaciers around Saas-Fee, and the Engadin near St. Moritz providing strong mountain foregrounds. The darkest results come on moonless, transparent nights away from resort lighting; snow and a bright moon can instead illuminate peaks but wash out faint stars. Summer gives Milky Way core opportunities, while winter has longer darkness and much harsher access.

The forecast tracks astronomical darkness, cloud, and visibility, not local light spill or sudden summit cloud. Cable cars usually stop before the darkest hours, many glaciers are unsafe without a guide, and cold drains batteries quickly. Use established paths, verify avalanche conditions, and choose a reachable valley or village-edge composition rather than relying on remote high-altitude access.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

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