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Rule Fog Hunter

Thingvellir - Fog Hunter - Iceland

Laugarvatn, South, Iceland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread7.9°C
Visibility21290 (Clear)
Relative Humidity57%
Wind Speed6.5m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Reykjavik
fog weather icon
Next opportunity
Dense Fog at Sunrise
Thingvellir
Tue, May 26 · 05:00–06:00 · 1h window
Medium confidence
54%
🌫️Fog Probability86%
Dewpoint Spread: 0.3°C
Visibility: 4540 (Mist/Haze)
Relative Humidity: 98%
Wind Speed: 1.6m/s (calm conditions)
fog weather icon
Dense Fog
Thingvellir
Tue, May 26 · 06:00–07:00
🌫️Fog Probability:100%
High

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72-hour requirements breakdown

What passed or failed, hour by hour
2matching hours in the next 79 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Reykjavik
Fog Probability
≥ 75.0%
Sun, May 24
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0027%
22:000%
23:000%
Mon, May 25
24:000%
01:0058%
02:0045%
03:0045%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Tue, May 26
24:000%
01:000%
02:000%
03:0055%
04:0055%
05:0086%
06:00100%
07:0065%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Wed, May 27
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog Probability 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
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sun, May 24 Sunrise 03:39 Sunset 23:02
13:00
4% 0.1°C 0mm 57% 0cm 47° 8°C 0.25mm 0.46kPa 21290m 7.3m/s 6.5m/s
14:00
7% 0.2°C 0.01mm 57% 0cm 46° 8.3°C 0.44mm 0.48kPa 19404m 7.7m/s 7.2m/s
15:00
11% 0.2°C 0mm 56% 0cm 44° 8.4°C 0.5mm 0.48kPa 23626m 7.5m/s 7.2m/s
16:00
14% 0.3°C 0mm 58% 0cm 39° 8.1°C 0.63mm 0.46kPa 24134m 7.6m/s 7.5m/s
17:00
18% 0°C 0mm 57% 0cm 34° 8°C 0.69mm 0.46kPa 24134m 6.4m/s 5.7m/s
18:00
21% -0.2°C 0mm 58% 0cm 27° 7.7°C 0.75mm 0.44kPa 24134m 6.4m/s 5.6m/s
19:00
20% 0.2°C 0mm 60% 0cm 21° 7.4°C 0.06mm 0.41kPa 24135m 5.6m/s 5.3m/s
20:00
19% 1.9°C 0.06mm 74% 0cm 15° 6.2°C 0.19mm 0.25kPa 7763m 6.1m/s 6.2m/s
21:00
18% 3.1°C 0.48mm 92% 0cm 8.7° 4.3°C 0.56mm 0.07kPa 1920m 4.9m/s 3.6m/s
22:00
13% 2.8°C 0.65mm 93% 0cm 3.6° 3.8°C 1.1mm 0.05kPa 955m 2.8m/s 1.5m/s
23:00
8% 3°C 1.2mm 95% 0cm -0.17° 3.7°C 2.1mm 0.04kPa 214m 2.8m/s 1.6m/s
Mon, May 25 Sunrise 03:37 Sunset 23:05
24:00 ☾
3% 2.9°C 1.1mm 96% 0cm -3.4° 3.5°C 3.4mm 0.03kPa 294m 3.4m/s 1.4m/s
01:00 ☾
5% 3°C 0.08mm 95% 0cm -4.7° 3.7°C 0.44mm 0.04kPa 1409m 3.2m/s 1.7m/s
02:00 ☾
7% 3°C 0mm 94% 0cm -4.4° 4°C 0.5mm 0.05kPa 1411m 3.3m/s 2.6m/s
03:00 ☾
9% 3.2°C 0mm 93% 0cm -2.5° 4.1°C 0.56mm 0.05kPa 1480m 3.8m/s 2.7m/s
04:00
7% 2.6°C 0mm 89% 0cm 1° 4.3°C 0.63mm 0.09kPa 24134m 4.9m/s 2.8m/s
05:00
5% 2.1°C 0.03mm 86% 0cm 5.3° 4.3°C 0.69mm 0.12kPa 24134m 4.5m/s 2.7m/s
06:00
3% 1.5°C 0.03mm 80% 0cm 11° 4.6°C 0.75mm 0.17kPa 24134m 6.1m/s 3.2m/s
07:00
3% 1.3°C 0mm 77% 0cm 17° 5°C 0mm 0.2kPa 24135m 6.3m/s 2.9m/s
08:00
3% 1.6°C 0mm 75% 0cm 23° 5.6°C 0.06mm 0.22kPa 12704m 5.8m/s 3.3m/s
09:00
3% 2°C 0mm 78% 0cm 30° 5.6°C 0.13mm 0.2kPa 23372m 4.8m/s 3.3m/s
10:00
2% 2.5°C 0.01mm 81% 0cm 36° 5.5°C 0.13mm 0.17kPa 23589m 3.4m/s 2.9m/s
11:00
2% 2.8°C 0.02mm 84% 0cm 41° 5.3°C 0.19mm 0.14kPa 24134m 2.5m/s 2.5m/s
12:00
1% 2.7°C 0mm 81% 0cm 45° 5.7°C 0.19mm 0.17kPa 23085m 2.3m/s 2.3m/s
13:00
1% 2.3°C 0mm 73% 0cm 47° 6.8°C 0.06mm 0.27kPa 22778m 2m/s 1.6m/s
14:00
2% 1.8°C 0mm 65% 0cm 46° 8°C 0.25mm 0.38kPa 2975m 2.4m/s 0.84m/s
15:00
2% 2.3°C 0.03mm 64% 0cm 44° 8.7°C 0.81mm 0.4kPa 2806m 5.1m/s 4.6m/s
16:00
3% 3.3°C 0.04mm 76% 0cm 39° 7.3°C 1.3mm 0.25kPa 22533m 8m/s 7.7m/s
17:00
3% 2.7°C 0mm 70% 0cm 34° 7.9°C 1.3mm 0.32kPa 24135m 7.2m/s 7.2m/s
18:00
4% 1.9°C 0mm 65% 0cm 28° 8.1°C 1.3mm 0.38kPa 24134m 8.4m/s 7.9m/s
19:00
23% 1°C 0mm 62% 0cm 21° 7.7°C 0mm 0.39kPa 24135m 9.2m/s 8.2m/s
20:00
41% 0.9°C 0mm 64% 0cm 15° 7.2°C 0mm 0.36kPa 24134m 9m/s 7.7m/s
21:00
60% 1.1°C 0mm 68% 0cm 8.8° 6.5°C 0mm 0.31kPa 24135m 8.9m/s 6.9m/s
22:00
63% 1.5°C 0mm 74% 0cm 3.8° 5.7°C 0mm 0.24kPa 24134m 7.6m/s 3.9m/s
23:00
66% 2.1°C 0mm 81% 0cm 0.07° 5.1°C 0mm 0.17kPa 24134m 3.5m/s 3m/s
Tue, May 26 Sunrise 03:34 Sunset 23:08
24:00 ☾
69% 2.5°C 0mm 86% 0cm -3.2° 4.6°C 0mm 0.12kPa 24135m 2.8m/s 2.6m/s
01:00 ☾
74% 2.7°C 0mm 91% 0cm -4.5° 4.1°C 0mm 0.08kPa 24134m 2.1m/s 2.2m/s
02:00 ☾
80% 2.8°C 0mm 93% 0cm -4.2° 3.8°C 0mm 0.05kPa 24135m 2m/s 2.1m/s
03:00 ☾
85% 2.8°C 0mm 95% 0cm -2.4° 3.5°C 0mm 0.04kPa 24134m 1.8m/s 1.9m/s
04:00
80% 2.5°C 0mm 97% 0cm 1.2° 3°C 0mm 0.02kPa 24134m 1.6m/s 1.6m/s
05:00
76% 3°C 0mm 98% 0cm 5.4° 3.3°C 0mm 0.02kPa 4540m 1.6m/s 1.6m/s
06:00
71% 3.4°C 0mm 96% 0cm 11° 3.9°C 0mm 0.03kPa 1549m 1.9m/s 1.6m/s
07:00
59% 3.3°C 0mm 94% 0cm 17° 4.2°C 0mm 0.05kPa 1800m 2m/s 1.6m/s
08:00
47% 3.5°C 0mm 91% 0cm 23° 4.9°C 0mm 0.08kPa 24135m 2.4m/s 1.8m/s
09:00
35% 3.6°C 0.01mm 85% 0cm 30° 5.9°C 0.06mm 0.14kPa 24116m 3.7m/s 2.4m/s
10:00
29% 2.6°C 0mm 71% 0cm 36° 7.5°C 0.25mm 0.3kPa 24135m 6.2m/s 4.2m/s
11:00
23% 1.6°C 0mm 64% 0cm 41° 7.9°C 0.31mm 0.38kPa 24134m 7.2m/s 6m/s
12:00
17% 2.5°C 0mm 69% 0cm 45° 7.8°C 0.44mm 0.33kPa 24134m 7.8m/s 6.7m/s
13:00
13% 2.9°C 0mm 71% 0cm 47° 7.8°C 0.13mm 0.31kPa 24134m 7.5m/s 5.9m/s
14:00
8% 2.9°C 0mm 71% 0cm 46° 7.9°C 0.25mm 0.31kPa 24135m 8.6m/s 8.3m/s
15:00
4% 2.9°C 0mm 72% 0cm 44° 7.6°C 0.31mm 0.29kPa 24135m 8.4m/s 7.3m/s
16:00
4% 2.2°C 0mm 69% 0cm 40° 7.5°C 0.38mm 0.32kPa 21255m 7.6m/s 6.3m/s
17:00
4% 1.6°C 0mm 70% 0cm 34° 6.6°C 0.38mm 0.29kPa 24135m 7.2m/s 6m/s
18:00
4% 1.1°C 0mm 71% 0cm 28° 5.9°C 0.38mm 0.27kPa 24134m 7.1m/s 5.3m/s
19:00
6% 2.3°C 0mm 77% 0cm 21° 6.1°C 0.33mm 0.22kPa 24134m 7.3m/s 4.8m/s
20:00
8% 3.4°C 0mm 82% 0cm 15° 6.2°C 0.29mm 0.17kPa 24135m 7.4m/s 4.3m/s
21:00
10% 4.4°C 0mm 88% 0cm 9° 6.4°C 0.25mm 0.12kPa 24135m 7.6m/s 3.8m/s
22:00
7% 4.5°C 0.02mm 87% 0cm 4° 6.5°C 0.35mm 0.12kPa 24135m 7.5m/s 3.7m/s
23:00
4% 4.6°C 0.03mm 87% 0cm 0.21° 6.6°C 0.46mm 0.12kPa 24135m 7.3m/s 3.7m/s
Wed, May 27 Sunrise 03:31 Sunset 23:11
24:00 ☾
1% 4.7°C 0.05mm 87% 0cm -3° 6.7°C 0.56mm 0.13kPa 24135m 7.2m/s 3.6m/s
01:00 ☾
1% 4.4°C 0.04mm 84% 0cm -4.3° 7°C 0.44mm 0.16kPa 24135m 7.1m/s 3.9m/s
02:00 ☾
0% 4.1°C 0.03mm 80% 0cm -4.1° 7.3°C 0.31mm 0.2kPa 24135m 7m/s 4.2m/s
03:00 ☾
0% 3.8°C 0.02mm 77% 0cm -2.2° 7.6°C 0.19mm 0.24kPa 24135m 6.9m/s 4.5m/s
04:00
0% 3.8°C 0.02mm 76% 0cm 1.3° 7.9°C 0.23mm 0.26kPa 24135m 6.8m/s 4.7m/s
05:00
0% 3.9°C 0.03mm 75% 0cm 5.6° 8.1°C 0.27mm 0.27kPa 24135m 6.6m/s 4.8m/s
06:00
0% 3.9°C 0.03mm 74% 0cm 11° 8.3°C 0.31mm 0.29kPa 24135m 6.4m/s 4.9m/s
07:00
0% 4°C 0.02mm 73% 0cm 17° 8.5°C 0.27mm 0.3kPa 24135m 6.2m/s 4.9m/s
08:00
0% 4.1°C 0.01mm 73% 0cm 23° 8.7°C 0.23mm 0.3kPa 24135m 6m/s 4.8m/s
09:00
0% 4.1°C 0mm 72% 0cm 30° 8.8°C 0.19mm 0.31kPa 24135m 5.8m/s 4.8m/s
10:00
0% 4.1°C 0.007mm 73% 0cm 36° 8.8°C 0.23mm 0.31kPa 24135m 5.4m/s 4.5m/s
11:00
0% 4.1°C 0.01mm 73% 0cm 41° 8.7°C 0.27mm 0.3kPa 24135m 5.1m/s 4.2m/s
12:00
0% 4.1°C 0.02mm 73% 0cm 45° 8.7°C 0.31mm 0.3kPa 24135m 4.7m/s 3.8m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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