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Rule Golden Hour

Golden Hour Forecast for Grindelwald, Alps

Grindelwald, Bern, Switzerland

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

Currently

Real-time conditions
Low Cloud Cover87%
Mid Cloud Cover96%
High Cloud Cover26%
Sun Elevation-16.2° (Astronomical twilight)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
golden-hour weather icon
Next opportunity
Exceptional Golden Hour (calm) at Sunrise
Grindelwald
Tomorrow · 05:40–06:00 · 1h window
Medium confidence
59%
🌇Golden Hour Potential85.2%
Low Cloud Cover: 0%
Mid Cloud Cover: 0%
High Cloud Cover: 0%
Sun Elevation: -9.5° (Nautical twilight)
golden-hour weather icon
Exceptional Golden Hour at Sunset
Grindelwald
Tomorrow · 20:22–21:00
🌇Golden Hour Potential:92.5%
Medium
golden-hour weather icon
Exceptional Golden Hour (calm) at Sunrise
Grindelwald
Tue, Jul 28 · 05:41–06:46
🌇Golden Hour Potential:94%
Medium
golden-hour weather icon
Exceptional Golden Hour (calm) at Sunrise
Grindelwald
Thu, Jul 30 · 05:43–06:48
🌇Golden Hour Potential:98.1-100%
Medium

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Golden Hour conditions across Alps. The requirements and hourly values below show how those signals apply at Grindelwald.

Explore Golden Hour conditions across Alps →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Grindelwald during the last 365 days.

Last 30 days
23
recorded matching windows · 71% average confidence
Last 90 days
59
recorded matching windows · 73% average confidence
Last 365 days
115
recorded matching windows · 76% average confidence
Most frequent recorded start hour

06:00 local time, shared by 29 of 115 matches recorded in the last 365 days.

Most represented month

April, with 25 of 115 matches recorded in the last 365 days.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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92-hour requirements breakdown

When available, the detailed table below covers only the stated 92-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
4matching hours in the next 92 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Zurich
Golden Hour
Any
Golden Hour Potential
≥ 80.0%
Precipitation Chance
≤ 5.0%
Visibility
≥ 1000.0m
Sat, Jul 25
06:0094%13%24134m
07:0024%26%24134m
08:0024%39%24134m
09:0027%59%24134m
10:0026%80%24134m
11:0030%100%24134m
12:0029%100%13807m
13:0028%100%13792m
14:0024%100%10915m
15:0027%99%3472m
16:0026%97%5922m
17:0024%95%3690m
18:0018%96%2602m
19:0012%97%478m
20:0026%98%130m
21:0028%99%211m
22:0014%100%102m
23:0014%99%256m
Sun, Jul 26
24:0014%100%1325m
01:0014%100%1360m
02:0014%100%1291m
03:0020%97%10977m
04:0015%93%13925m
05:0056%90%10865m
06:0049%93%20197m
07:0015%97%11087m
08:0015%100%8508m
09:0015%94%361m
10:0014%89%326m
11:0011%83%363m
12:0015%87%238m
13:0011%91%178m
14:0012%95%217m
15:0015%76%200m
16:0017%58%281m
17:0014%39%13799m
18:0021%39%13797m
19:0018%39%13797m
20:0052%39%401m
21:0048%27%693m
22:0021%15%314m
23:0020%3.5%602m
Mon, Jul 27
24:0020%2.3%13802m
01:0023%1.2%13844m
02:0023%0%14525m
03:0020%0%24135m
04:0020%0%24135m
05:0085%0%24135m
06:0085%7.4%24134m
07:0020%15%24134m
08:0020%22%24134m
09:0022%28%13812m
10:0019%33%13792m
11:0024%39%13797m
12:0024%47%13832m
13:0024%56%13858m
14:0024%64%13852m
15:0021%43%13857m
16:0021%21%13872m
17:0021%0%13910m
18:0021%0%13956m
19:0024%0%14460m
20:0093%0%24135m
21:0067%0%718m
22:0021%0%10601m
23:0021%0%24134m
Tue, Jul 28
24:0021%0%14011m
01:0021%0%24135m
02:0023%0%24135m
03:0023%0%24134m
04:0023%0%24134m
05:0094%0%24135m
06:0094%0%24134m
07:0024%0%24135m
08:0024%0%24134m
09:000%0%20702m
10:000%0%17269m
11:000%0%13837m
12:000%13%17269m
13:000%26%20702m
14:000%39%24135m
15:000%34%16347m
16:000%30%8559m
17:000%26%771m
18:000%28%566m
19:000%30%362m
20:0049%32%158m
21:0056%27%235m
22:000%22%313m
23:000%17%390m
Wed, Jul 29
24:000%18%4860m
01:000%19%9329m
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/Zurich
Golden Hour
High Clouds
%
Low Clouds
%
Mid-Level Clouds
%
Relative Humidity
%
Solar Elevation
°
Total Cloud Coverage
%
Wind Speed
m/s
Sun, Jul 26 Sunrise 06:01 Sunset 21:06
04:00
- 26% 87% 96% 95% -16° 96% 1.8m/s
05:00
- 9% 63% 73% 95% -9.3° 78% 1.1m/s
06:00
- 57% 89% 86% 95% -0.67° 89% 0.17m/s
07:00
- 82% 98% 100% 94% 8.4° 100% 0.92m/s
08:00
- 12% 79% 99% 94% 18° 99% 1.4m/s
09:00
- 7% 84% 91% 93% 29° 91% 1.7m/s
10:00
- 0% 87% 97% 92% 39° 97% 2m/s
11:00
- 0% 95% 91% 93% 48° 96% 1.8m/s
12:00
- 5% 100% 100% 93% 57° 100% 1.8m/s
13:00
- 4% 100% 100% 96% 62° 100% 2.3m/s
14:00
- 4% 100% 100% 97% 62° 100% 2.3m/s
15:00
- 4% 100% 100% 96% 58° 100% 2.3m/s
16:00
- 5% 100% 100% 94% 50° 100% 1.7m/s
17:00
- 0% 87% 54% 92% 40° 87% 1.3m/s
18:00
- 0% 57% 11% 89% 30° 57% 2.2m/s
19:00
- 0% 44% 8% 88% 20° 44% 2.3m/s
20:00
- 2% 59% 5% 91% 9.8° 59% 2.4m/s
21:00
- 0% 71% 8% 96% 0.67° 71% 2.7m/s
22:00
- 2% 83% 5% 95% -8.3° 83% 2.3m/s
23:00
- 0% 64% 2% 94% -15° 64% 1.7m/s
Mon, Jul 27 Sunrise 06:01 Sunset 21:06
24:00
- 0% 25% 1% 92% -21° 25% 1.2m/s
01:00
- 0% 20% 0% 91% -24° 20% 1.2m/s
02:00
- 0% 8% 0% 88% -24° 8% 1.3m/s
03:00
- 0% 0% 0% 84% -21° 0% 1.5m/s
04:00
- 0% 0% 0% 84% -16° 0% 1.7m/s
05:00
- 0% 0% 0% 85% -9.5° 0% 2m/s
06:00
- 0% 0% 0% 87% -0.89° 0% 2m/s
07:00
- 0% 0% 0% 88% 8.3° 0% 1.6m/s
08:00
- 0% 0% 0% 84% 18° 0% 2m/s
09:00
- 0% 20% 0% 81% 28° 20% 2.3m/s
10:00
- 0% 24% 0% 80% 39° 24% 2.4m/s
11:00
- 0% 20% 0% 76% 48° 20% 2.2m/s
12:00
- 0% 20% 0% 70% 56° 20% 2.2m/s
13:00
- 0% 20% 0% 67% 62° 20% 2.4m/s
14:00
- 0% 20% 0% 65% 62° 20% 2.7m/s
15:00
- 0% 24% 1% 66% 57° 24% 3m/s
16:00
- 0% 22% 1% 67% 50° 22% 3m/s
17:00
- 0% 23% 1% 68% 40° 23% 3m/s
18:00
- 1% 25% 0% 70% 30° 25% 2.6m/s
19:00
- 0% 28% 0% 75% 20° 28% 2.4m/s
20:00
- 0% 38% 0% 85% 9.6° 38% 2.3m/s
21:00
- 0% 49% 0% 92% 0.52° 49% 2.5m/s
22:00
- 0% 47% 0% 92% -8.5° 47% 2.1m/s
23:00
- 0% 20% 0% 89% -16° 20% 1.8m/s
Tue, Jul 28 Sunrise 06:02 Sunset 21:05
24:00
- 0% 14% 0% 81% -21° 14% 0.72m/s
01:00
- 0% 0% 0% 72% -24° 0% 0.73m/s
02:00
- 0% 0% 0% 64% -24° 0% 0.34m/s
03:00
- 0% 0% 0% 59% -22° 0% 0.23m/s
04:00
- 0% 0% 0% 56% -17° 0% 0.57m/s
05:00
- 0% 0% 0% 54% -9.7° 0% 0.59m/s
06:00
- 0% 0% 0% 53% -1.1° 0% 0.5m/s
07:00
- 0% 0% 0% 47% 8.1° 0% 0.71m/s
08:00
- 0% 0% 0% 48% 18° 0% 0.79m/s
09:00
- 0% 11% 11% 52% 28° 15% 0.71m/s
10:00
- 0% 22% 21% 55% 38° 30% 0.63m/s
11:00
- 0% 32% 32% 58% 48° 45% 0.55m/s
12:00
- 0% 30% 22% 65% 56° 39% 0.98m/s
13:00
- 0% 28% 12% 72% 61° 33% 1.4m/s
14:00
- 0% 26% 2% 79% 62° 27% 1.8m/s
15:00
- 0% 27% 2% 84% 57° 28% 1.9m/s
16:00
- 0% 28% 1% 89% 49° 28% 1.9m/s
17:00
- 0% 29% 0% 94% 40° 29% 2m/s
18:00
- 0% 39% 0% 94% 30° 39% 2m/s
19:00
- 0% 49% 1% 94% 19° 49% 2m/s
20:00
- 0% 60% 1% 94% 9.4° 60% 2m/s
21:00
- 0% 58% 1% 93% 0.36° 58% 1.9m/s
22:00
- 0% 57% 0% 93% -8.7° 57% 1.9m/s
23:00
- 0% 56% 0% 92% -16° 56% 1.8m/s
Wed, Jul 29 Sunrise 06:03 Sunset 21:04
24:00
- 0% 50% 1% 90% -21° 50% 1.7m/s
01:00
- 0% 45% 1% 87% -24° 45% 1.6m/s
02:00
- 0% 39% 2% 84% -24° 39% 1.5m/s
03:00
- 0% 38% 1% 80% -22° 38% 1.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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.

Forecast generated

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