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Rule Fog Hunter

Zermatt - Fog Hunter - Alps

Zermatt, Valais, Switzerland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread2.0°C
Visibility24135 (Clear)
Relative Humidity86%
Wind Speed2.0m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
fog weather icon
Next opportunity
Moderate Fog at Sunset
Zermatt
Tomorrow · 21:00–22:00 · 1h window
Medium confidence
44%
🌫️Fog Probability80%
Dewpoint Spread: 0.8°C
Visibility: 1469 (Mist/Haze)
Relative Humidity: 94%
Wind Speed: 2.4m/s (calm conditions)
fog weather icon
Moderate Fog
Zermatt
Tomorrow · 22:00–23:00
🌫️Fog Probability:77.7%
Medium
fog weather icon
Moderate Fog
Zermatt
Sat, May 16 · 19:00–20:00
🌫️Fog Probability:75.7%
Low
fog weather icon
Dense Fog at Sunset
Zermatt
Sat, May 16 · 20:00–21:00
🌫️Fog Probability:86%
Medium
fog weather icon
Dense Fog
Zermatt
Mon, May 18 · 17:00–19:00
🌫️Fog Probability:78.8-95.3%
Medium
fog weather icon
Dense Fog
Zermatt
Tue, May 19 · 22:00–05:00
🌫️Fog Probability:79.2-100%
Low
fog weather icon
Moderate Fog at Sunrise
Zermatt
Wed, May 20 · 05:00–06:00
🌫️Fog Probability:81.7%
Low

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72-hour requirements breakdown

What passed or failed, hour by hour
6matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Zurich
Fog Probability
≥ 75.0%
Tue, May 12
22:000%
23:000%
Wed, May 13
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:0042%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:00100%
23:00100%
Thu, May 14
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:0071%
08:0054%
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%
Fri, May 15
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:0028%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0080%
22:0078%
23:000%
Sat, May 16
24:000%
01:000%
02:000%
03:0039%
04:0030%
05:0033%
06:0033%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:0034%
17:0062%
18:0054%
19:0076%
20:0086%
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
Europe/Zurich
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
Thu, May 14 Sunrise 05:58 Sunset 20:52
04:00 ☾
1% -9.8°C 0.02mm 86% 0cm -17° -7.8°C 0mm 0.05kPa 24135m 2.2m/s 2m/s
05:00 ☾
1% -9.8°C 0.03mm 87% 0cm -9.2° -8.1°C 0.06mm 0.04kPa 21038m 2.1m/s 2.1m/s
06:00
1% -8.9°C 0.02mm 88% 0.03cm 0.02° -7.3°C 0.06mm 0.04kPa 5408m 2.1m/s 2.1m/s
07:00
0% -7.9°C 0.09mm 90% 0.1cm 9.1° -6.4°C 0.13mm 0.04kPa 1999m 2.2m/s 2.2m/s
08:00
0% -7.6°C 0.03mm 86% 0.07cm 19° -5.6°C 0.19mm 0.06kPa 1857m 1.9m/s 2m/s
09:00
0% -8.1°C 0.03mm 80% 0.18cm 30° -5.2°C 0.13mm 0.08kPa 2185m 2m/s 1.9m/s
10:00
0% -8.5°C 0.02mm 74% 0.23cm 40° -4.5°C 0.31mm 0.11kPa 2134m 2.3m/s 2.1m/s
11:00
0% -8.3°C 0.03mm 70% 0.4cm 50° -3.6°C 0.69mm 0.14kPa 1621m 3.4m/s 3m/s
12:00
0% -8.3°C 0.04mm 66% 0.51cm 57° -3°C 1.1mm 0.16kPa 1445m 4.4m/s 3.7m/s
13:00
0% -8.7°C 0.02mm 63% 0.38cm 62° -2.7°C 1.6mm 0.18kPa 15092m 4.6m/s 3.7m/s
14:00
0% -10°C 0.02mm 55% 0.39cm 62° -2.3°C 1.9mm 0.23kPa 3651m 5m/s 3.6m/s
15:00
0% -11°C 0.02mm 50% 0.43cm 56° -2.1°C 0.31mm 0.26kPa 6161m 5.3m/s 3.5m/s
16:00
0% -11°C 0.04mm 51% 0.49cm 48° -2.2°C 0.69mm 0.25kPa 5137m 4.4m/s 3.1m/s
17:00
0% -10°C 0.11mm 56% 0.58cm 38° -2.8°C 1.2mm 0.22kPa 2074m 3.8m/s 3.2m/s
18:00
0% -10°C 0.08mm 61% 0.5cm 28° -3.6°C 1.6mm 0.18kPa 1556m 3.3m/s 3.4m/s
19:00
0% -9.1°C 0.04mm 73% 0.1cm 18° -5°C 1.9mm 0.12kPa 2257m 3.7m/s 4.1m/s
20:00
0% -9.2°C 0.01mm 82% 0cm 7.7° -6.6°C 1.9mm 0.07kPa 12548m 3.8m/s 4.1m/s
21:00 ☾
0% -9.3°C 0.02mm 89% 0.02cm -1.7° -7.8°C 0mm 0.04kPa 6331m 3.7m/s 3.8m/s
22:00 ☾
0% -9.5°C 0.02mm 91% 0.02cm -10° -8.3°C 0mm 0.03kPa 4130m 3.8m/s 3.7m/s
23:00 ☾
0% -9.7°C 0mm 89% 0cm -17° -8.2°C 0.06mm 0.04kPa 22278m 3.1m/s 3.2m/s
Fri, May 15 Sunrise 05:58 Sunset 20:52
24:00 ☾
0% -9.8°C 0.01mm 91% 0cm -22° -8.6°C 0.06mm 0.03kPa 9626m 2.9m/s 2.9m/s
01:00 ☾
0% -10°C 0mm 90% 0cm -25° -8.8°C 0.06mm 0.03kPa 11727m 2.3m/s 2.4m/s
02:00 ☾
0% -10°C 0mm 88% 0cm -25° -8.8°C 0.06mm 0.04kPa 23468m 1.2m/s 1.3m/s
03:00 ☾
0% -11°C 0mm 83% 0cm -22° -8.5°C 0mm 0.05kPa 24011m 1m/s 1m/s
04:00 ☾
1% -11°C 0mm 76% 0cm -16° -8.1°C 0mm 0.08kPa 24135m 0.52m/s 0.61m/s
05:00 ☾
1% -12°C 0mm 72% 0cm -9° -7.8°C 0mm 0.09kPa 24135m 0.6m/s 0.67m/s
06:00
1% -12°C 0mm 70% 0cm 0.17° -7.5°C 0mm 0.1kPa 24134m 1.7m/s 1.7m/s
07:00
0% -12°C 0mm 66% 0cm 9.3° -7.2°C 0mm 0.12kPa 24135m 1.4m/s 1.4m/s
08:00
0% -13°C 0mm 61% 0cm 19° -6.6°C 0mm 0.15kPa 24134m 2.1m/s 2m/s
09:00
0% -14°C 0mm 57% 0.03cm 30° -6.5°C 0mm 0.16kPa 14082m 1.9m/s 1.7m/s
10:00
0% -13°C 0.05mm 60% 0.16cm 40° -6.4°C 0.06mm 0.15kPa 5409m 2m/s 1.8m/s
11:00
0% -10°C 0.33mm 72% 0.76cm 50° -5.8°C 0.44mm 0.11kPa 686m 2.3m/s 2.1m/s
12:00
0% -9.3°C 0.39mm 72% 0.87cm 58° -5°C 1.2mm 0.12kPa 864m 2.7m/s 2.1m/s
13:00
0% -9.1°C 0.47mm 68% 1cm 62° -4.2°C 2.1mm 0.14kPa 906m 3.1m/s 2.4m/s
14:00
0% -8°C 0.61mm 74% 1.4cm 62° -3.9°C 3.2mm 0.12kPa 690m 3m/s 2.1m/s
15:00
0% -6°C 1.7mm 92% 2.4cm 57° -4.8°C 1.9mm 0.04kPa 123m 2.9m/s 2.5m/s
16:00
0% -6.1°C 1.3mm 92% 1.8cm 48° -5°C 4.2mm 0.03kPa 121m 2.4m/s 2.3m/s
17:00
0% -6.6°C 0.54mm 87% 0.88cm 39° -4.8°C 5.7mm 0.06kPa 257m 2.5m/s 2.5m/s
18:00
0% -7.6°C 0.24mm 82% 0.62cm 28° -4.9°C 6.6mm 0.08kPa 381m 2.6m/s 2.6m/s
19:00
0% -8°C 0.1mm 81% 0.28cm 18° -5.2°C 6.9mm 0.08kPa 1155m 2.4m/s 2.5m/s
20:00
0% -8°C 0.06mm 86% 0.13cm 7.9° -6.1°C 7.1mm 0.05kPa 1631m 2.1m/s 2.3m/s
21:00 ☾
0% -8.4°C 0.04mm 94% 0.06cm -1.5° -7.6°C 0.13mm 0.02kPa 1469m 2.1m/s 2.4m/s
22:00 ☾
0% -8.9°C 0.02mm 95% 0.07cm -10° -8.2°C 0.19mm 0.02kPa 2119m 2m/s 2.2m/s
23:00 ☾
0% -9.2°C 0.04mm 93% 0cm -17° -8.3°C 0.25mm 0.02kPa 3128m 2m/s 2.2m/s
Sat, May 16 Sunrise 05:57 Sunset 20:54
24:00 ☾
0% -9.1°C 0.02mm 92% 0cm -22° -8.1°C 0.25mm 0.02kPa 4312m 2.3m/s 2.5m/s
01:00 ☾
0% -8.9°C 0.04mm 93% 0.05cm -25° -8°C 0.31mm 0.02kPa 3228m 2.6m/s 2.7m/s
02:00 ☾
0% -8.9°C 0.04mm 93% 0.05cm -24° -8°C 0.31mm 0.02kPa 2435m 2.7m/s 2.9m/s
03:00 ☾
0% -8.5°C 0.06mm 92% 0.12cm -21° -7.4°C 0.44mm 0.03kPa 1746m 3.4m/s 3.5m/s
04:00 ☾
0% -8.1°C 0.09mm 91% 0.2cm -16° -6.9°C 0.56mm 0.03kPa 1056m 4m/s 4m/s
05:00 ☾
0% -7.7°C 0.11mm 90% 0.27cm -8.8° -6.4°C 0.69mm 0.04kPa 367m 4.7m/s 4.6m/s
06:00
0% -7.1°C 0.14mm 92% 0.29cm 0.31° -6°C 0.98mm 0.03kPa 399m 4.5m/s 4.5m/s
07:00
0% -6.6°C 0.16mm 92% 0.32cm 9.5° -5.5°C 1.3mm 0.03kPa 431m 4.2m/s 4.3m/s
08:00
0% -6°C 0.19mm 94% 0.34cm 20° -5.1°C 1.6mm 0.03kPa 464m 3.9m/s 4.1m/s
09:00
0% -6°C 0.17mm 93% 0.33cm 30° -5°C 1.4mm 0.03kPa 451m 4m/s 4.2m/s
10:00
0% -5.9°C 0.15mm 92% 0.31cm 40° -4.8°C 1.2mm 0.03kPa 439m 4m/s 4.2m/s
11:00
0% -5.9°C 0.13mm 92% 0.3cm 50° -4.7°C 1mm 0.04kPa 426m 4.1m/s 4.2m/s
12:00
0% -6.4°C 0.11mm 93% 0.22cm 58° -5.4°C 1.2mm 0.03kPa 495m 3.9m/s 4m/s
13:00
1% -6.9°C 0.08mm 94% 0.14cm 63° -6.2°C 1.3mm 0.02kPa 564m 3.7m/s 3.7m/s
14:00
1% -7.4°C 0.06mm 96% 0.07cm 62° -6.9°C 1.5mm 0.01kPa 632m 3.5m/s 3.5m/s
15:00
4% -8.1°C 0.04mm 96% 0.04cm 57° -7.6°C 1mm 0.01kPa 1342m 3.3m/s 3.3m/s
16:00
6% -8.7°C 0.03mm 96% 0.02cm 48° -8.2°C 0.54mm 0.01kPa 2052m 3.1m/s 3.1m/s
17:00
9% -9.3°C 0.01mm 96% 0cm 39° -8.9°C 0.06mm 0.01kPa 2761m 2.9m/s 2.9m/s
18:00
9% -10°C 0.007mm 97% 0cm 28° -9.9°C 0.08mm 0.01kPa 4242m 2.5m/s 2.6m/s
19:00
9% -11°C 0.003mm 97% 0cm 18° -11°C 0.1mm 0.01kPa 5723m 2.1m/s 2.2m/s
20:00
9% -12°C 0mm 98% 0cm 8.1° -12°C 0.13mm 0.01kPa 7204m 1.7m/s 1.8m/s
21:00 ☾
10% -13°C 0mm 92% 0cm -1.3° -12°C 0.08mm 0.02kPa 12848m 1.7m/s 1.7m/s
22:00 ☾
11% -14°C 0mm 87% 0cm -9.9° -13°C 0.04mm 0.03kPa 18492m 1.6m/s 1.5m/s
23:00 ☾
12% -15°C 0mm 82% 0cm -17° -13°C 0mm 0.04kPa 24135m 1.6m/s 1.3m/s
Sun, May 17 Sunrise 05:56 Sunset 20:55
24:00 ☾
11% -14°C 0mm 76% 0cm -22° -11°C 0mm 0.06kPa 24135m 1.1m/s 0.99m/s
01:00 ☾
9% -13°C 0mm 71% 0cm -24° -8.5°C 0mm 0.09kPa 24135m 0.67m/s 0.63m/s
02:00 ☾
8% -12°C 0mm 65% 0cm -24° -6.3°C 0mm 0.13kPa 24135m 0.2m/s 0.28m/s
03:00 ☾
14% -11°C 0mm 63% 0cm -21° -5.6°C 0mm 0.15kPa 23631m 0.61m/s 0.49m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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