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Rule Golden Hour

Pen yr Ole Wen - Golden Hour - Snowdonia (Eryri)

Bethesda, Wales, United Kingdom

That magical warm light just after sunrise or before sunset

Currently

Real-time conditions
Low Cloud Cover100%
Mid Cloud Cover100%
High Cloud Cover100%
Sun Elevation-10.6° (Nautical twilight)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London
golden-hour weather icon
Next opportunity
Exceptional Golden Hour (calm) at Sunset
Pen yr Ole Wen
Fri, Jun 12 · 22:00–22:14 · 1h window
Medium confidence
45%
🌇Golden Hour Potential86.4%
Low Cloud Cover: 44%
Mid Cloud Cover: 5%
High Cloud Cover: 3%
Sun Elevation: -2.5° (Civil twilight)
golden-hour weather icon
Exceptional Golden Hour (calm) at Sunset
Pen yr Ole Wen
Sat, Jun 13 · 22:00–22:15
🌇Golden Hour Potential:93.6%
Medium

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks optimal sunrise and sunset conditions when warm light transforms Snowdonia's peaks, slate landscapes, and mountain lakes into scenes of extraordinary beauty. We combine solar angle, cloud cover, and visibility to predict when golden-hour photography delivers exceptional results.

Snowdonia's dramatic topography creates exceptional golden-hour photography—steep mountain faces catch warm sidelight that emphasizes texture, deep valleys create shadow contrast, and the region's frequent cloud means colorful sunrise and sunset skies are common. The slate quarries of Llanberis take on particular character in golden light, and historic elements like Dolbadarn Castle gain photogenic warmth.

What makes Snowdonia golden-hour photography distinctive:

  • Mountain textures - Sidelighting emphasizes the rocky texture of Tryfan, Pen yr Ole Wen, and Rhinog Fawr
  • Slate heritage - Llanberis slate quarries and terraces glow with warm tones in evening light
  • Valley warmth - Nant Gwynant and Ogwen Valley bathed in golden light with shadowed depths
  • Castle silhouettes - Dolbadarn Castle tower profiled against colorful dawn and dusk skies

The best golden-hour conditions combine partial cloud cover—which adds color to skies—with clear horizons for unobstructed sun. Sunrise photography is particularly rewarding at Llyn Padarn, where the Snowdon massif catches first light and the lake reflects warming colors. Position yourself along the northern shore near the Llanberis lakeside path for classic compositions including Dolbadarn Castle. Sunset photography excels at locations with westward views—Capel Curig looks toward Snowdon's pyramid profile, while Nant Gwynant valley captures warm light flowing down from mountain passes. The Pont Pen-y-benglog bridge offers dramatic golden-hour views of Tryfan's north face catching warm sidelight. Pen yr Ole Wen ridge provides elevated sunset photography with the entire Ogwen Valley bathed in warm light below. Rhinog Fawr's remote western position delivers spectacular sunset conditions over Cardigan Bay when clear. Autumn and winter offer the advantages of lower sun angles—which create longer golden-hour periods—and positioning that works well with Snowdonia's predominantly north-south valley orientations.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/London
Golden Hour
Any
Golden Hour Potential
≥ 80.0%
Precipitation Chance
≤ 5.0%
Visibility
≥ 1000.0m
Sun, Jun 7
03:0021%91%24135m
04:0047%87%24135m
05:0031%91%3296m
06:0030%95%24135m
07:0020%99%7138m
08:0020%83%24135m
09:0027%83%24134m
10:0025%83%24134m
11:0026%85%24135m
12:0023%88%24134m
13:0021%90%24135m
14:0020%93%22701m
15:0020%91%23239m
16:0020%90%24134m
17:0022%93%24135m
18:0019%96%24135m
19:0019%99%24135m
20:0045%100%24134m
21:0043%100%24135m
22:0048%100%23883m
23:0029%100%14766m
Mon, Jun 8
24:0016%100%11366m
01:0022%100%11104m
02:0018%97%2564m
03:0012%94%1414m
04:0032%92%3064m
05:0042%93%16519m
06:0029%94%24135m
07:0022%95%24134m
08:0026%64%22352m
09:0029%32%23182m
10:0027%0%21148m
11:0028%13%24134m
12:0034%26%24135m
13:0038%39%24134m
14:0038%58%24135m
15:0037%77%24135m
16:0030%96%24135m
17:0031%98%24134m
18:0031%99%24135m
19:0026%100%24134m
20:0046%100%24135m
21:0050%100%24016m
22:0064%100%23828m
23:0031%100%24048m
Tue, Jun 9
24:0026%100%24135m
01:0027%100%24134m
02:0023%99%21677m
03:0027%99%19693m
04:0085%98%23862m
05:0091%99%24135m
06:0052%99%24135m
07:0035%100%24134m
08:0022%99%24134m
09:0022%98%24134m
10:0022%98%24134m
11:0018%98%24135m
12:0018%99%24027m
13:0024%100%24000m
14:0029%99%24121m
15:0028%98%23589m
16:0034%98%23092m
17:0037%98%23910m
18:0039%99%23899m
19:0035%99%23836m
20:0074%98%23723m
21:0084%96%23916m
22:0084%95%24007m
23:0047%96%24134m
Wed, Jun 10
24:0022%98%24134m
01:0022%100%24134m
02:0024%99%24135m
03:0026%99%22722m
04:0046%99%23600m
05:0082%99%24134m
06:0054%99%24135m
07:0028%100%23607m
08:0027%94%23480m
09:0019%88%22516m
10:0024%82%19435m
11:0023%85%11176m
12:0019%89%22729m
13:0025%93%18747m
14:0016%80%20543m
15:0017%68%22339m
16:0017%56%24135m
17:0015%65%24135m
18:0010%74%24135m
19:007.8%83%24135m
20:0046%73%17236m
21:0041%64%10337m
22:0030%54%3438m
23:0015%59%2364m
Thu, Jun 11
24:004.4%64%1290m
01:003.2%69%216m
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Golden Hour Potential mean?

Inputs that drive the score

This derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.

Time
Europe/London
Golden Hour
High Clouds
%
Low Clouds
%
Mid-Level Clouds
%
Relative Humidity
%
Total Cloud Coverage
%
Wind Speed
m/s
Mon, Jun 8 Sunrise 04:51 Sunset 21:39
03:00
- 100% 100% 100% 97% 100% 2m/s
04:00
- 100% 100% 100% 96% 100% 2m/s
05:00
- 77% 100% 100% 96% 100% 3.1m/s
06:00
- 0% 92% 0% 90% 92% 4.4m/s
07:00
- 0% 8% 2% 88% 10% 5m/s
08:00
- 0% 31% 0% 85% 31% 4.9m/s
09:00
- 0% 32% 0% 82% 32% 5.2m/s
10:00
- 0% 29% 0% 78% 29% 5.4m/s
11:00
- 0% 17% 0% 73% 17% 5.4m/s
12:00
- 0% 5% 0% 68% 5% 5.8m/s
13:00
- 5% 5% 0% 65% 5% 6.3m/s
14:00
- 5% 5% 0% 63% 5% 6.3m/s
15:00
- 0% 5% 0% 63% 5% 6m/s
16:00
- 0% 5% 4% 65% 5% 6.8m/s
17:00
- 2% 6% 0% 69% 6% 8.2m/s
18:00
- 5% 5% 5% 72% 5% 8.3m/s
19:00
- 18% 8% 44% 75% 44% 7.6m/s
20:00
- 93% 10% 100% 79% 100% 6.1m/s
21:00
- 94% 26% 100% 80% 100% 5.6m/s
22:00
- 0% 66% 52% 81% 67% 5.2m/s
23:00
- 5% 98% 84% 81% 100% 5.8m/s
Tue, Jun 9 Sunrise 04:51 Sunset 21:39
24:00
- 5% 11% 12% 81% 12% 7.4m/s
01:00
- 5% 26% 58% 83% 58% 6.1m/s
02:00
- 5% 100% 100% 83% 100% 5.8m/s
03:00
- 0% 5% 0% 85% 5% 6m/s
04:00
- 5% 6% 5% 89% 6% 6.5m/s
05:00
- 4% 22% 5% 89% 22% 6.5m/s
06:00
- 0% 26% 4% 85% 26% 7.1m/s
07:00
- 0% 41% 5% 85% 41% 7.8m/s
08:00
- 0% 47% 5% 86% 47% 9.1m/s
09:00
- 0% 32% 0% 85% 32% 9.6m/s
10:00
- 0% 33% 0% 81% 33% 9.7m/s
11:00
- 0% 43% 68% 76% 68% 9.5m/s
12:00
- 0% 10% 100% 77% 100% 9.8m/s
13:00
- 0% 10% 99% 72% 99% 10m/s
14:00
- 0% 5% 68% 69% 68% 9.7m/s
15:00
- 0% 5% 5% 67% 5% 9m/s
16:00
- 0% 18% 4% 67% 18% 8.4m/s
17:00
- 5% 5% 2% 68% 5% 7.6m/s
18:00
- 5% 5% 5% 67% 5% 6.8m/s
19:00
- 5% 7% 8% 73% 10% 5.6m/s
20:00
- 5% 6% 62% 78% 62% 4.1m/s
21:00
- 5% 9% 14% 80% 14% 3.8m/s
22:00
- 5% 13% 18% 80% 21% 4.4m/s
23:00
- 21% 27% 54% 82% 54% 4.9m/s
Wed, Jun 10 Sunrise 04:50 Sunset 21:40
24:00
- 47% 87% 78% 82% 87% 4.9m/s
01:00
- 5% 60% 100% 81% 100% 2.9m/s
02:00
- 5% 7% 100% 84% 100% 3.7m/s
03:00
- 4% 10% 45% 87% 45% 4.5m/s
04:00
- 5% 93% 86% 88% 93% 5.5m/s
05:00
- 4% 32% 7% 88% 32% 4.5m/s
06:00
- 0% 5% 4% 86% 5% 4.8m/s
07:00
- 0% 10% 100% 84% 100% 5.3m/s
08:00
- 0% 25% 100% 84% 100% 6.8m/s
09:00
- 0% 24% 61% 83% 61% 6.9m/s
10:00
- 0% 22% 5% 80% 22% 7.4m/s
11:00
- 0% 54% 5% 81% 54% 7.9m/s
12:00
- 0% 58% 0% 81% 58% 8.5m/s
13:00
- 0% 51% 5% 78% 51% 8.4m/s
14:00
- 3% 36% 5% 82% 37% 6.3m/s
15:00
- 6% 20% 5% 86% 23% 4.3m/s
16:00
- 9% 5% 5% 90% 9% 2.2m/s
17:00
- 39% 5% 37% 92% 39% 2.2m/s
18:00
- 70% 5% 68% 94% 70% 2.3m/s
19:00
- 100% 5% 100% 96% 100% 2.3m/s
20:00
- 100% 26% 100% 97% 100% 2.6m/s
21:00
- 100% 47% 100% 98% 100% 3m/s
22:00
- 100% 68% 100% 99% 100% 3.4m/s
23:00
- 100% 78% 100% 99% 100% 3.5m/s
Thu, Jun 11 Sunrise 04:50 Sunset 21:41
24:00
- 100% 89% 100% 99% 100% 3.6m/s
01:00
- 100% 100% 100% 99% 100% 3.7m/s
02:00
- 100% 100% 100% 99% 100% 3.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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