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Rule Golden Hour

Golden Hour Forecast for Thingvellir, Iceland

Laugarvatn, South, Iceland

Þingvellir exposes rift walls, lava fields, clear fissure water, and the shore of Þingvallavatn. Long geological lines lead through the site, while birch and low vegetation introduce concentrated autumn colour.

Currently

Real-time conditions
Low Cloud Cover100%
Mid Cloud Cover100%
High Cloud Cover1%
Sun Elevation6.8° (Daylight)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Reykjavik
golden-hour weather icon
Next opportunity
Exceptional Golden Hour at Sunset
Thingvellir
Thu, Aug 27 · 21:00–21:30 · 1h window
Medium confidence
49%
🌇Golden Hour Potential89.3%
Low Cloud Cover: 2%
Mid Cloud Cover: 0%
High Cloud Cover: 0%
Sun Elevation: -0.9° (Civil twilight)

How this forecast is evaluated

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

Explore Golden Hour conditions across Iceland →

Recorded match history

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

Last 30 days
32
recorded matching windows · 70% average confidence
Last 90 days
34
recorded matching windows · 70% average confidence
Last 365 days
118
recorded matching windows · 72% average confidence
Most represented month

May, with 24 of 118 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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85-hour requirements breakdown

When available, the detailed table below covers only the stated 85-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
0matching hours in the next 85 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Reykjavik
Golden Hour
Any
Golden Hour Potential
≥ 80.0%
Precipitation Chance
≤ 5.0%
Visibility
≥ 1000.0m
Sat, Aug 22
05:0019%94%334m
06:0019%96%147m
07:0012%93%127m
08:009%96%113m
09:009%98%1437m
10:0014%99%1545m
11:0014%99%1701m
12:0014%100%1612m
13:0014%100%779m
14:0011%100%1229m
15:0011%100%1347m
16:0011%100%176m
17:009%100%186m
18:009%100%121m
19:009%100%108m
20:0019%100%103m
21:0031%100%92m
22:0014%100%81m
23:009%100%75m
Sun, Aug 23
24:009%99%74m
01:009%94%67m
02:009%88%63m
03:009%82%58m
04:0012%82%133m
05:0043%83%24135m
06:0046%83%24135m
07:0027%77%24135m
08:0014%70%16397m
09:0011%64%22167m
10:0014%63%19307m
11:0014%62%24135m
12:0014%62%24135m
13:0014%46%24135m
14:0014%31%24134m
15:0015%16%15269m
16:0015%27%24135m
17:0014%39%24134m
18:0017%50%24135m
19:0017%65%24134m
20:0088%80%24134m
21:0063%95%24134m
22:0038%97%24134m
23:0024%98%24134m
Mon, Aug 24
24:0026%100%24134m
01:0026%79%24134m
02:0026%58%24134m
03:0024%37%24135m
04:0026%49%24134m
05:0059%61%24134m
06:0058%72%24134m
07:0034%80%24134m
08:0023%87%24135m
09:0015%94%24135m
10:0015%96%24134m
11:0015%97%24134m
12:0014%99%10561m
13:0014%91%7729m
14:0014%83%10351m
15:0014%76%12308m
16:0014%76%10596m
17:0014%76%24134m
18:0014%76%24135m
19:0014%72%23938m
20:0046%68%24134m
21:0047%65%24134m
22:0020%67%24135m
23:009%70%24134m
Tue, Aug 25
24:0011%73%24134m
01:000%67%24134m
02:000%62%24134m
03:000%56%24135m
04:000%66%20735m
05:0078%76%17336m
06:0088%85%13937m
07:0028%85%17336m
08:000%84%20736m
09:000%84%24135m
10:000%84%22651m
11:000%85%21166m
12:000%86%19682m
13:000%70%21166m
14:000%54%22651m
15:000%39%24135m
16:000%50%24135m
17:000%61%24135m
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
Atlantic/Reykjavik
Golden Hour
High Clouds
%
Low Clouds
%
Mid-Level Clouds
%
Relative Humidity
%
Solar Elevation
°
Total Cloud Coverage
%
Wind Speed
m/s
Sat, Aug 22 Sunrise 05:35 Sunset 21:14
20:00
- 1% 100% 100% 99% 6.8° 100% 6.4m/s
21:00
- 5% 100% 4% 99% 0.98° 100% 6m/s
22:00
- 34% 100% 5% 99% -4.8° 100% 5.5m/s
23:00
- 100% 100% 0% 99% -9.4° 100% 5m/s
Sun, Aug 23 Sunrise 05:38 Sunset 21:10
24:00
- 100% 100% 5% 99% -13° 100% 4.4m/s
01:00
- 100% 100% 14% 99% -14° 100% 3.9m/s
02:00
- 100% 100% 33% 100% -14° 100% 3.8m/s
03:00
- 100% 100% 12% 100% -12° 100% 4m/s
04:00
- 78% 100% 80% 99% -8.9° 100% 4.5m/s
05:00
- 74% 92% 9% 96% -4.2° 94% 5.1m/s
06:00
- 83% 100% 63% 91% 1.6° 100% 5m/s
07:00
- 4% 100% 0% 95% 7.6° 100% 3.5m/s
08:00
- 0% 100% 0% 96% 14° 100% 3.7m/s
09:00
- 0% 100% 0% 95% 20° 100% 3.6m/s
10:00
- 0% 97% 0% 94% 26° 97% 3.7m/s
11:00
- 100% 100% 33% 81% 31° 100% 3.7m/s
12:00
- 88% 100% 98% 74% 35° 100% 5.1m/s
13:00
- 0% 88% 100% 78% 37° 100% 5.4m/s
14:00
- 0% 90% 1% 71% 37° 90% 5.7m/s
15:00
- 0% 92% 0% 64% 35° 92% 5.9m/s
16:00
- 0% 97% 0% 65% 31° 97% 5.2m/s
17:00
- 0% 92% 0% 70% 25° 92% 4.8m/s
18:00
- 0% 31% 0% 72% 19° 31% 4.2m/s
19:00
- 0% 16% 0% 74% 13° 16% 3.5m/s
20:00
- 0% 11% 0% 83% 6.5° 11% 2.4m/s
21:00
- 82% 5% 92% 91% 0.68° 94% 1.7m/s
22:00
- 8% 5% 100% 94% -5.2° 100% 0.96m/s
23:00
- 100% 5% 97% 95% -9.7° 100% 0.8m/s
Mon, Aug 24 Sunrise 05:41 Sunset 21:06
24:00
- 88% 5% 56% 95% -13° 88% 0.93m/s
01:00
- 100% 5% 71% 94% -14° 100% 1.7m/s
02:00
- 100% 5% 100% 94% -14° 100% 1.6m/s
03:00
- 99% 5% 100% 92% -13° 100% 2.2m/s
04:00
- 99% 5% 90% 90% -9.2° 99% 2.7m/s
05:00
- 100% 5% 87% 88% -4.5° 100% 2.5m/s
06:00
- 100% 4% 99% 83% 1.4° 100% 3.3m/s
07:00
- 100% 0% 100% 79% 7.3° 100% 3.4m/s
08:00
- 100% 0% 100% 73% 14° 100% 3.3m/s
09:00
- 100% 22% 100% 68% 20° 100% 3.7m/s
10:00
- 100% 100% 100% 68% 26° 100% 4.4m/s
11:00
- 100% 100% 100% 65% 31° 100% 5.6m/s
12:00
- 100% 100% 100% 79% 35° 100% 5.9m/s
13:00
- 100% 100% 100% 88% 37° 100% 4.6m/s
14:00
- 100% 100% 100% 87% 36° 100% 6.1m/s
15:00
- 100% 100% 100% 85% 34° 100% 7m/s
16:00
- 100% 100% 100% 86% 30° 100% 9m/s
17:00
- 100% 100% 100% 87% 25° 100% 11m/s
18:00
- 13% 100% 95% 88% 19° 100% 12m/s
19:00
- 4% 100% 48% 86% 13° 100% 12m/s
20:00
- 3% 98% 0% 86% 6.2° 98% 13m/s
21:00
- 0% 100% 0% 83% 0.39° 100% 13m/s
22:00
- 0% 99% 0% 83% -5.5° 99% 13m/s
23:00
- 0% 100% 0% 92% -10° 100% 11m/s
Tue, Aug 25 Sunrise 05:44 Sunset 21:03
24:00
- 0% 100% 0% 91% -13° 100% 4.1m/s
01:00
- 0% 97% 0% 89% -15° 97% 4.8m/s
02:00
- 0% 94% 0% 87% -15° 94% 5.4m/s
03:00
- 0% 91% 0% 84% -13° 91% 6.1m/s
04:00
- 0% 73% 0% 83% -9.5° 73% 6.6m/s
05:00
- 0% 55% 0% 82% -4.8° 55% 7.1m/s
06:00
- 0% 37% 0% 81% 1.1° 37% 7.6m/s
07:00
- 0% 31% 0% 77% 7.1° 31% 7.4m/s
08:00
- 0% 24% 0% 73% 13° 24% 7.2m/s
09:00
- 0% 17% 0% 69% 20° 17% 7m/s
10:00
- 0% 15% 0% 73% 26° 15% 6.6m/s
11:00
- 0% 12% 0% 76% 31° 12% 6.1m/s
12:00
- 0% 10% 0% 80% 34° 10% 5.7m/s
13:00
- 0% 22% 0% 84% 36° 22% 4.3m/s
14:00
- 0% 34% 0% 88% 36° 34% 2.9m/s
15:00
- 0% 46% 0% 92% 34° 46% 1.6m/s
16:00
- 2% 43% 0% 92% 30° 43% 1.9m/s
17:00
- 3% 40% 0% 92% 25° 40% 2.2m/s
18:00
- 5% 38% 0% 92% 19° 38% 2.5m/s
19:00
- 5% 59% 2% 92% 12° 59% 2.6m/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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