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Rule Fog Hunter

San Gimignano - Fog Hunter - Tuscany

San Gimignano, Tuscany, Italy

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread8.1°C
Visibility24135 (Clear)
Relative Humidity58%
Wind Speed6.5m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Rome
fog weather icon
Next opportunity
Moderate Fog
San Gimignano
Mon, Mar 23 · 22:00–02:00 · 4h window
Low confidence
15%
🌫️Fog Probability63.9%
Dewpoint Spread: 0.5°C
Visibility: 24135 (Clear)
Relative Humidity: 96%
Wind Speed: 1.6m/s (calm conditions)

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the atmospheric conditions that create Tuscany's legendary rolling hill photography. We combine fog probability, dewpoint spread, and visibility data to predict when mist transforms the Val d'Orcia into a painter's dream.

The Val d'Orcia is one of the world's most photographed landscapes—cypress-lined roads, hilltop farmhouses, and rolling hills have graced countless calendars and travel magazines. Morning fog adds a mystical quality that elevates these scenes from beautiful to extraordinary.

What makes Tuscany special for photography:

  • Valley fog - Cool autumn nights create ethereal mist that pools in valleys
  • Iconic compositions - Cypress trees, winding roads, and distant hilltop villages
  • Golden light - The Mediterranean climate produces warm, soft morning and evening light
  • Renaissance backdrop - Medieval hill towns add historic depth to landscapes

Peak fog season runs from October through December. Arrive before dawn for the best mist—popular spots like Podere Belvedere and the Cypress Road fill quickly. The Val d'Orcia's gentle terrain means elevated viewpoints are easily accessible by road.

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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/Rome
Fog Probability
≥ 60.0%
Sat, Mar 14
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
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Sun, Mar 15
24:000%
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23:000%
Mon, Mar 16
24:000%
01:000%
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Tue, Mar 17
24:000%
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Wed, Mar 18
24:000%
01:000%
02:000%
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04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
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
Europe/Rome
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sun, Mar 15 Sunrise 06:28 Sunset 18:21
14:00
7.6°C 0mm 58% 0cm 16°C 0mm 0.74kPa 24135m 6.6m/s 6.5m/s
15:00
7.2°C 0mm 55% 0cm 16°C 0mm 0.83kPa 24135m 5.7m/s 5m/s
16:00
7.2°C 0mm 57% 0cm 16°C 0.06mm 0.75kPa 24135m 6.6m/s 4.2m/s
17:00
7.5°C 0mm 62% 0cm 15°C 0.06mm 0.62kPa 24134m 7.5m/s 4.2m/s
18:00
6.7°C 0mm 69% 0cm 12°C 0.06mm 0.44kPa 24134m 5.8m/s 3.3m/s
19:00
6.1°C 0mm 71% 0cm 11°C 0.06mm 0.39kPa 24134m 8.6m/s 4.4m/s
20:00
6°C 0mm 71% 0cm 11°C 0mm 0.38kPa 24134m 10m/s 5.4m/s
21:00
5.7°C 0mm 70% 0cm 11°C 0mm 0.4kPa 24135m 10m/s 5.7m/s
22:00
5.6°C 0mm 70% 0cm 11°C 0mm 0.39kPa 24134m 11m/s 5.9m/s
23:00
5.6°C 0mm 72% 0cm 11°C 0mm 0.36kPa 24135m 10m/s 5.8m/s
Mon, Mar 16 Sunrise 06:28 Sunset 18:21
24:00
5.4°C 0mm 71% 0cm 10°C 0mm 0.36kPa 24135m 11m/s 6.1m/s
01:00
5.1°C 0mm 70% 0cm 10°C 0mm 0.38kPa 24135m 12m/s 7m/s
02:00
5.1°C 0mm 70% 0cm 10°C 0mm 0.38kPa 24135m 13m/s 7.6m/s
03:00
4.7°C 0mm 69% 0cm 10°C 0mm 0.39kPa 24134m 13m/s 7.9m/s
04:00
4.3°C 0mm 67% 0cm 10°C 0mm 0.4kPa 24135m 14m/s 8.2m/s
05:00
4.2°C 0mm 67% 0cm 10°C 0mm 0.4kPa 24135m 14m/s 8.1m/s
06:00
4.2°C 0mm 69% 0cm 9.6°C 0mm 0.37kPa 24134m 13m/s 7.3m/s
07:00
5°C 0mm 74% 0cm 9.5°C 0mm 0.31kPa 24135m 13m/s 6.4m/s
08:00
6°C 0mm 75% 0cm 10°C 0mm 0.32kPa 24134m 12m/s 5.7m/s
09:00
6.4°C 0mm 70% 0cm 12°C 0mm 0.41kPa 24134m 10m/s 5.4m/s
10:00
6.3°C 0mm 62% 0cm 14°C 0mm 0.6kPa 24135m 8.6m/s 6m/s
11:00
5.9°C 0mm 53% 0cm 15°C 0mm 0.81kPa 24135m 8.1m/s 6.2m/s
12:00
5.7°C 0mm 48% 0cm 17°C 0mm 0.97kPa 24134m 7.8m/s 6.3m/s
13:00
5.7°C 0mm 46% 0cm 17°C 0mm 1.1kPa 24134m 6.7m/s 5.5m/s
14:00
5.8°C 0mm 45% 0cm 18°C 0mm 1.1kPa 24134m 5.7m/s 4.6m/s
15:00
6°C 0mm 46% 0cm 18°C 0mm 1.1kPa 24135m 5.5m/s 4.9m/s
16:00
7.4°C 0mm 53% 0cm 17°C 0mm 0.91kPa 24134m 6.3m/s 5.8m/s
17:00
7.4°C 0mm 59% 0cm 15°C 0mm 0.71kPa 24135m 10m/s 6.9m/s
18:00
6.8°C 0mm 65% 0cm 13°C 0mm 0.53kPa 24135m 9.5m/s 5.3m/s
19:00
5.8°C 0mm 66% 0cm 12°C 0mm 0.48kPa 24134m 9.2m/s 4.9m/s
20:00
5.7°C 0mm 69% 0cm 11°C 0mm 0.42kPa 24134m 8.8m/s 4m/s
21:00
5.5°C 0mm 73% 0cm 10°C 0mm 0.34kPa 24135m 4.3m/s 2.5m/s
22:00
5.4°C 0mm 77% 0cm 9.2°C 0mm 0.27kPa 24134m 1.8m/s 1.9m/s
23:00
5.4°C 0mm 80% 0cm 8.7°C 0mm 0.23kPa 24135m 1.5m/s 1.5m/s
Tue, Mar 17 Sunrise 06:26 Sunset 18:22
24:00
5.4°C 0mm 80% 0cm 8.6°C 0mm 0.22kPa 24134m 1.7m/s 1.8m/s
01:00
5.1°C 0mm 82% 0cm 8°C 0mm 0.19kPa 24135m 1.3m/s 1.3m/s
02:00
4.6°C 0mm 81% 0cm 7.7°C 0mm 0.2kPa 24134m 1.4m/s 1.4m/s
03:00
4.2°C 0mm 81% 0cm 7.3°C 0mm 0.2kPa 24135m 1m/s 1.1m/s
04:00
3.8°C 0mm 79% 0cm 7.1°C 0mm 0.21kPa 24134m 1.2m/s 1.2m/s
05:00
3.4°C 0mm 78% 0cm 7°C 0mm 0.22kPa 24135m 1.3m/s 1.4m/s
06:00
3.1°C 0mm 77% 0cm 6.8°C 0mm 0.23kPa 24135m 1.2m/s 1.2m/s
07:00
3.3°C 0mm 76% 0cm 7.3°C 0mm 0.24kPa 24135m 1.2m/s 1.2m/s
08:00
4.1°C 0mm 70% 0cm 9.3°C 0mm 0.35kPa 24135m 1.4m/s 1.2m/s
09:00
4.6°C 0mm 64% 0cm 11°C 0mm 0.47kPa 24135m 1.9m/s 1.4m/s
10:00
5.1°C 0mm 60% 0cm 13°C 0mm 0.59kPa 24134m 2.5m/s 1.8m/s
11:00
5.6°C 0mm 56% 0cm 14°C 0mm 0.73kPa 24134m 2.2m/s 1.8m/s
12:00
5.7°C 0mm 52% 0cm 16°C 0mm 0.85kPa 24134m 2.2m/s 2m/s
13:00
5.5°C 0mm 48% 0cm 16°C 0mm 0.97kPa 24135m 2.2m/s 1.8m/s
14:00
5.1°C 0mm 44% 0cm 17°C 0mm 1.1kPa 24135m 2.3m/s 1.5m/s
15:00
4.8°C 0mm 42% 0cm 18°C 0mm 1.2kPa 24134m 2.9m/s 1.9m/s
16:00
5.9°C 0mm 46% 0cm 18°C 0mm 1.1kPa 24134m 3.6m/s 2.8m/s
17:00
8.3°C 0mm 60% 0cm 16°C 0mm 0.73kPa 24135m 4.5m/s 2.7m/s
18:00
7.7°C 0mm 70% 0cm 13°C 0mm 0.46kPa 24135m 4.8m/s 3.3m/s
19:00
6.2°C 0mm 70% 0cm 11°C 0mm 0.4kPa 24134m 4.6m/s 3.2m/s
20:00
5.7°C 0mm 74% 0cm 10°C 0mm 0.31kPa 24134m 4.6m/s 3m/s
21:00
5°C 0mm 79% 0cm 8.5°C 0mm 0.24kPa 24135m 4.5m/s 2.8m/s
22:00
4.4°C 0mm 83% 0cm 7°C 0mm 0.17kPa 24135m 4.5m/s 2.5m/s
23:00
3.9°C 0mm 82% 0cm 6.8°C 0mm 0.18kPa 24135m 4.4m/s 2.6m/s
Wed, Mar 18 Sunrise 06:24 Sunset 18:24
24:00
3.5°C 0mm 80% 0cm 6.6°C 0mm 0.19kPa 24135m 4.4m/s 2.6m/s
01:00
3°C 0mm 79% 0cm 6.4°C 0mm 0.2kPa 24135m 4.3m/s 2.7m/s
02:00
2.2°C 0mm 69% 0cm 7.6°C 0mm 0.33kPa 24135m 6.2m/s 4.1m/s
03:00
1.2°C 0mm 59% 0cm 8.8°C 0mm 0.47kPa 24135m 8.1m/s 5.5m/s
04:00
-0.3°C 0mm 48% 0cm 10°C 0mm 0.63kPa 24135m 10m/s 6.9m/s
05:00
-0.3°C 0mm 46% 0cm 11°C 0mm 0.7kPa 24135m 11m/s 7.7m/s
06:00
-0.2°C 0mm 44% 0cm 12°C 0mm 0.77kPa 24135m 13m/s 8.5m/s
07:00
-0.2°C 0mm 42% 0cm 12°C 0mm 0.85kPa 24135m 14m/s 9.4m/s
08:00
0.8°C 0mm 45% 0cm 12°C 0mm 0.79kPa 24135m 14m/s 9.2m/s
09:00
1.7°C 0mm 49% 0cm 12°C 0mm 0.73kPa 24135m 14m/s 9.1m/s
10:00
2.6°C 0mm 52% 0cm 12°C 0mm 0.68kPa 24135m 14m/s 8.9m/s
11:00
1.7°C 0mm 53% 0cm 11°C 0mm 0.61kPa 24135m 13m/s 8m/s
12:00
0.9°C 0mm 54% 0cm 9.8°C 0mm 0.56kPa 24135m 12m/s 7.1m/s
13:00
0°C 0mm 55% 0cm 8.6°C 0mm 0.5kPa 24135m 11m/s 6.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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