Rule
Blue Hour
Blue Hour Forecast for Southern Finland
Southern Finland, Finland
Blue hour photography in Southern Finland. Helsinki architecture, Porvoo old town, and harbor views benefit from extended Nordic twilight lasting up to 90 minutes.
14 matching opportunities in the 14-day forecast.
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Helsinki
First upcoming window
Good Blue Hour (clear) at Dawn
Kurjenrahka
Tue, Oct 27 · 06:56–07:00 · 1h window
Low confidence
39%
🌉Blue Hour Quality68.5%
Cloud Cover: 5%
Moon Illumination: 98%
Moon Altitude: 26.3°
Good Blue Hour (clear) at Sunrise
Kurjenrahka
Tue, Oct 27 · 07:00–07:13
🌉Blue Hour Quality:69%
Low
Good Blue Hour (clear) at Dawn
Porvoo
Fri, Oct 30 · 06:49–07:00
🌉Blue Hour Quality:71%
Low
Good Blue Hour (clear) at Dawn
Helsinki
Fri, Oct 30 · 06:52–07:00
🌉Blue Hour Quality:72%
Low
Good Blue Hour (clear) at Dawn
Nuuksio
Fri, Oct 30 · 06:53–07:00
🌉Blue Hour Quality:71%
Low
Good Blue Hour (clear) at Sunrise
Nuuksio
Fri, Oct 30 · 07:00–07:10
🌉Blue Hour Quality:71%
Low
Good Blue Hour (clear) at Sunrise
Helsinki
Fri, Oct 30 · 07:00–07:09
🌉Blue Hour Quality:68%
Low
+7 more windows in the next 14 days
Location status
0 of 11 locations matching now
Nuuksio
Not matchingSmall forest lakes, granite outcrops, and mixed spruce and birch woodland create enclosed reflections and layered morning mist near Helsinki.
Nuuksio, Uusimaa, Finland
Blocked by: Blue Hour: Outside time window
Next opportunity in ~7 days
2 opportunities in the 14-day forecast
View forecast
Torronsuo
Not matchingA broad raised bog crossed by boardwalks, Torronsuo offers low horizons, patterned pools, isolated pines, and frequent autumn dawn mist.
Torronsuon Kansallispuisto, Kanta-Häme, Finland
Blocked by: Blue Hour: Outside time window
View forecast
Repovesi
Not matchingForested lakes lie below steep granite cliffs at Repovesi, where elevated views compress islands, ridges, and mist into layered compositions.
Repovesi Nationalpark, Kymenlaakso, Finland
Blocked by: Blue Hour: Outside time window
View forecast
Teijo
Not matchingTeijo combines quiet forest lakes, coastal wetlands, and old ironworks buildings around Mathildedal, with reeds and woodland reflected in calm water.
Matildedal, Southwest Finland, Finland
Blocked by: Blue Hour Quality too low (32%, ≥ 65.0%)
Next opportunity in ~7 days
2 opportunities in the 14-day forecast
View forecast
Aulanko
Not matchingAulanko’s wooded ridge overlooks Lake Vanajavesi, framing islands and farmland from above while smaller ponds provide intimate fog scenes.
Hämeenlinna, Kanta-Häme, Finland
Blocked by: Blue Hour: Outside time window
View forecast
Punkaharju
Not matchingA narrow pine-covered esker divides the waters of Puruvesi, producing repeating shorelines, elevated lake views, and strong aerial geometry.
Punkaharju, South Savo, Finland
Blocked by: Blue Hour: Outside time window
Next opportunity in ~13 days 9h
1 opportunity in the 14-day forecast
View forecast
Kurjenrahka
Not matchingKurjenrahka’s raised bog has open sedge flats, dark pools, boardwalk lines, and sparse pines that stand clearly against mist and frost.
Turku, Southwest Finland, Finland
Blocked by: Blue Hour Quality too low (31%, ≥ 65.0%)
Next opportunity in ~4 days
5 opportunities in the 14-day forecast
View forecast
Porvoo
Not matchingPorvoo’s red riverside warehouses, timber old town, and cathedral hill reflect in the Porvoonjoki under calm blue-hour or misty conditions.
Porvoo, Uusimaa, Finland
Blocked by: Blue Hour: Outside time window
Next opportunity in ~7 days
2 opportunities in the 14-day forecast
View forecast
Vesijärvi
Not matchingVesijärvi presents broad water and island horizons beside Lahti, with sheltered bays for reflections and autumn fog over reed-lined shores.
Lahti, Päijänne Tavastia, Finland
Blocked by: Blue Hour: Outside time window
View forecast
Liesjärvi
Not matchingNarrow Kyynäränharju ridge separates two forest lakes at Liesjärvi, creating close parallel shorelines among mature spruce and pine woodland.
Liesjärven Kansallispuisto, Kanta-Häme, Finland
Blocked by: Blue Hour: Outside time window
View forecast
Helsinki
Not matchingGranite shores, low Baltic islands, Suomenlinna’s fortifications, and neoclassical waterfront buildings give Helsinki varied maritime foregrounds.
Helsingfors, Uusimaa, Finland
Next opportunity in ~7 days
2 opportunities in the 14-day forecast
View forecast
What's blocking opportunities
95-hour forecast horizon; times in Europe/Helsinki.
Top 3 blocking conditions across 10 of 11 locations
Some blocked
Most blocked
22 Thu
23 Fri
24 Sat
25 Sun
26 Mon
12
18
24
06
12
18
24
06
12
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24
06
12
18
24
Blue Hour Quality (≥ 65.0%)
100% blocked
Blue Hour Quality (≥ 65.0%), Thu 8am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 9am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 10am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 11am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 12pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 1pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 2pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 3pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 4pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 5pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 6pm: 7 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 7pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 8pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 9pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 10pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Thu 11pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 12am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 1am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 2am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 3am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 4am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 5am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 6am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 7am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 8am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 9am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 10am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 11am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 12pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 1pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 2pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 3pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 4pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 5pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 6pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 7pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 8pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 9pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 10pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Fri 11pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 12am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 1am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 2am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 3am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 4am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 5am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 6am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 7am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 8am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 9am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 10am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 11am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 12pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 1pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 2pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 3pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 4pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 5pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 6pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 7pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 8pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 9pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 10pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sat 11pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 12am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 1am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 2am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 3am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 3am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 4am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 5am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 6am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 7am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 8am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 9am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 10am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 11am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 12pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 1pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 2pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 3pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 4pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 5pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 6pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 7pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 8pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 9pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 10pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Sun 11pm: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Mon 12am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Mon 1am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Mon 2am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Mon 3am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Mon 4am: 10 of 10 locations blocked
Blue Hour Quality (≥ 65.0%), Mon 5am: 10 of 10 locations blocked
Blue Hour (Any)
91% blocked
Blue Hour (Any), Thu 8am: 9 of 10 locations blocked
Blue Hour (Any), Thu 9am: 10 of 10 locations blocked
Blue Hour (Any), Thu 10am: 10 of 10 locations blocked
Blue Hour (Any), Thu 11am: 10 of 10 locations blocked
Blue Hour (Any), Thu 12pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 1pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 2pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 3pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 4pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 5pm: 9 of 10 locations blocked
Blue Hour (Any), Thu 6pm: 0 of 10 locations blocked
Blue Hour (Any), Thu 7pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 8pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 9pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 10pm: 10 of 10 locations blocked
Blue Hour (Any), Thu 11pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 12am: 10 of 10 locations blocked
Blue Hour (Any), Fri 1am: 10 of 10 locations blocked
Blue Hour (Any), Fri 2am: 10 of 10 locations blocked
Blue Hour (Any), Fri 3am: 10 of 10 locations blocked
Blue Hour (Any), Fri 4am: 10 of 10 locations blocked
Blue Hour (Any), Fri 5am: 10 of 10 locations blocked
Blue Hour (Any), Fri 6am: 10 of 10 locations blocked
Blue Hour (Any), Fri 7am: 0 of 10 locations blocked
Blue Hour (Any), Fri 8am: 8 of 10 locations blocked
Blue Hour (Any), Fri 9am: 10 of 10 locations blocked
Blue Hour (Any), Fri 10am: 10 of 10 locations blocked
Blue Hour (Any), Fri 11am: 10 of 10 locations blocked
Blue Hour (Any), Fri 12pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 1pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 2pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 3pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 4pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 5pm: 9 of 10 locations blocked
Blue Hour (Any), Fri 6pm: 0 of 10 locations blocked
Blue Hour (Any), Fri 7pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 8pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 9pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 10pm: 10 of 10 locations blocked
Blue Hour (Any), Fri 11pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 12am: 10 of 10 locations blocked
Blue Hour (Any), Sat 1am: 10 of 10 locations blocked
Blue Hour (Any), Sat 2am: 10 of 10 locations blocked
Blue Hour (Any), Sat 3am: 10 of 10 locations blocked
Blue Hour (Any), Sat 4am: 10 of 10 locations blocked
Blue Hour (Any), Sat 5am: 10 of 10 locations blocked
Blue Hour (Any), Sat 6am: 10 of 10 locations blocked
Blue Hour (Any), Sat 7am: 0 of 10 locations blocked
Blue Hour (Any), Sat 8am: 7 of 10 locations blocked
Blue Hour (Any), Sat 9am: 10 of 10 locations blocked
Blue Hour (Any), Sat 10am: 10 of 10 locations blocked
Blue Hour (Any), Sat 11am: 10 of 10 locations blocked
Blue Hour (Any), Sat 12pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 1pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 2pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 3pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 4pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 5pm: 9 of 10 locations blocked
Blue Hour (Any), Sat 6pm: 0 of 10 locations blocked
Blue Hour (Any), Sat 7pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 8pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 9pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 10pm: 10 of 10 locations blocked
Blue Hour (Any), Sat 11pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 12am: 10 of 10 locations blocked
Blue Hour (Any), Sun 1am: 10 of 10 locations blocked
Blue Hour (Any), Sun 2am: 10 of 10 locations blocked
Blue Hour (Any), Sun 3am: 10 of 10 locations blocked
Blue Hour (Any), Sun 3am: 10 of 10 locations blocked
Blue Hour (Any), Sun 4am: 10 of 10 locations blocked
Blue Hour (Any), Sun 5am: 10 of 10 locations blocked
Blue Hour (Any), Sun 6am: 0 of 10 locations blocked
Blue Hour (Any), Sun 7am: 5 of 10 locations blocked
Blue Hour (Any), Sun 8am: 10 of 10 locations blocked
Blue Hour (Any), Sun 9am: 10 of 10 locations blocked
Blue Hour (Any), Sun 10am: 10 of 10 locations blocked
Blue Hour (Any), Sun 11am: 10 of 10 locations blocked
Blue Hour (Any), Sun 12pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 1pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 2pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 3pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 4pm: 9 of 10 locations blocked
Blue Hour (Any), Sun 5pm: 0 of 10 locations blocked
Blue Hour (Any), Sun 6pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 7pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 8pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 9pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 10pm: 10 of 10 locations blocked
Blue Hour (Any), Sun 11pm: 10 of 10 locations blocked
Blue Hour (Any), Mon 12am: 10 of 10 locations blocked
Blue Hour (Any), Mon 1am: 10 of 10 locations blocked
Blue Hour (Any), Mon 2am: 10 of 10 locations blocked
Blue Hour (Any), Mon 3am: 10 of 10 locations blocked
Blue Hour (Any), Mon 4am: 10 of 10 locations blocked
Blue Hour (Any), Mon 5am: 10 of 10 locations blocked
Precipitation Chance (≤ 15.0%)
24% blocked
Precipitation Chance (≤ 15.0%), Thu 8am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 9am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 10am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 11am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 12pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 1pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 2pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 3pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 4pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 5pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 6pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 7pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 8pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 9pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 10pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Thu 11pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 12am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 1am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 2am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 3am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 4am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 5am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 6am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 7am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 8am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 9am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 10am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 11am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 12pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 1pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 2pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 3pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 4pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 5pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 6pm: 2 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 7pm: 3 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 8pm: 3 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 9pm: 4 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 10pm: 7 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Fri 11pm: 8 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 12am: 8 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 1am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 2am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 3am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 4am: 10 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 5am: 10 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 6am: 10 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 7am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 8am: 8 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 9am: 8 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 10am: 7 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 11am: 5 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 12pm: 5 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 1pm: 3 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 2pm: 3 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 3pm: 2 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 4pm: 1 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 5pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 6pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 7pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 8pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 9pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 10pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sat 11pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 12am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 1am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 2am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 3am: 10 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 3am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 4am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 5am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 6am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 7am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 8am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 9am: 1 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 10am: 1 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 11am: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 12pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 1pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 2pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 3pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 4pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 5pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 6pm: 0 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 7pm: 1 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 8pm: 2 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 9pm: 4 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 10pm: 7 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Sun 11pm: 8 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Mon 12am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Mon 1am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Mon 2am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Mon 3am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Mon 4am: 9 of 10 locations blocked
Precipitation Chance (≤ 15.0%), Mon 5am: 9 of 10 locations blocked
How to read: Each row shows when a condition blocks opportunities. Stronger red means more locations are affected. These are the top 3 conditions preventing matches across the 95-hour forecast.
Southern Finland's architectural heritage and long Nordic twilight create exceptional blue hour photography opportunities. The extended transition between day and night—lasting up to 90 minutes in spring and autumn—provides ample time to work with artificial lighting balanced against deep blue skies.
What makes Southern Finland special for blue hour photography:
- Helsinki architecture - Senate Square's neoclassical buildings, Temppeliaukio Church, and Uspenski Cathedral lit against twilight skies
- Harbor scenes - Suomenlinna fortress and Helsinki's waterfront combine maritime elements with urban lighting
- Porvoo old town - Historic colored warehouses along Porvoonjoki river create postcard scenes during twilight
- Long twilight duration - Extended blue hour window compared to southern European locations
The combination of Baltic maritime influence and Nordic latitude means twilight lasts significantly longer than mid-latitude cities, giving you time to refine compositions as the light evolves. Helsinki's compact center allows photographers to move between multiple architectural subjects during a single blue hour session. Porvoo's riverside warehouses—painted in traditional ochre, red, and yellow—become luminous during twilight when building lights reflect in the river. The forecast tracks clear sky conditions and civil twilight timing to identify optimal blue hour opportunities.
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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