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Rule Fog Hunter

Stow-on-the-Wold - Fog Hunter - Cotswolds

Stow on the Wold, England, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 60.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Dewpoint Spread1.1°C
Visibility24134 (Clear)
Relative Humidity94%
Wind Speed1.8m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks morning mist and fog conditions that transform the Cotswolds' gentle landscapes into atmospheric scenes worthy of a Constable painting. We monitor temperature inversions, humidity levels, and overnight cooling to predict when valley fog will blanket the honey-stone villages and rolling hills.

The Cotswolds' distinctive topography of shallow river valleys creates perfect conditions for radiation fog and valley mist. Cold air pools in valleys overnight, and when combined with moisture from the River Windrush and its tributaries, creates dreamy morning conditions that soften the already pastoral landscape.

What makes Cotswolds fog photography special:

  • Slad Valley inversions - Laurie Lee's famous valley fills with morning mist, with hilltop villages emerging as islands above the fog layer
  • Arlington Row mist - Bibury's iconic weavers' cottages partially obscured by dawn fog, with honey-stone glowing through the haze
  • Valley villages - Bourton-on-the-Water and Lower Slaughter with fog settled along their streams, stone bridges emerging from mist
  • Church tower beacons - Stow-on-the-Wold and Painswick church towers rising above fog blankets, marking village locations

The best fog photography occurs on calm, clear autumn and winter mornings (September-March) following cold nights. Slad Valley—immortalized in Laurie Lee's "Cider with Rosie"—is particularly reliable for valley fog, with viewpoints along the valley rim offering elevated perspectives. Arlington Row benefits from mist rising from the River Coln, creating dreamy morning compositions of England's most photographed street. Arrive before dawn to capture the transition from pre-dawn blue light through foggy golden hour. Fog typically burns off by mid-morning, creating a narrow window of opportunity.

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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/London
Fog Probability
≥ 60.0%
Wed, Apr 8
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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22:000%
23:000%
Thu, Apr 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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Fri, Apr 10
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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Sat, Apr 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
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21:000%
22:000%
23:000%
Sun, Apr 12
24:000%
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/London
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, Apr 9 Sunrise 06:24 Sunset 19:53
02:00
86% 9.4°C 0mm 94% 0cm -30° 10°C 0mm 0.08kPa 24134m 1.8m/s 1.8m/s
03:00
81% 8.9°C 0mm 93% 0cm -26° 9.9°C 0mm 0.08kPa 24135m 1.9m/s 2m/s
04:00
77% 8.4°C 0mm 93% 0cm -20° 9.5°C 0mm 0.08kPa 24135m 2m/s 2.1m/s
05:00
55% 8.2°C 0mm 93% 0cm -13° 9.3°C 0mm 0.08kPa 24135m 2m/s 2.1m/s
06:00
34% 8°C 0mm 92% 0cm -4.3° 9.2°C 0mm 0.09kPa 24134m 4.6m/s 2.8m/s
07:00
12% 8.1°C 0mm 91% 0cm 4.8° 9.5°C 0mm 0.1kPa 24134m 10m/s 3.3m/s
08:00
8% 8.3°C 0mm 86% 0cm 14° 11°C 0mm 0.18kPa 24134m 9.9m/s 4.1m/s
09:00
4% 8.5°C 0mm 81% 0cm 23° 12°C 0mm 0.26kPa 24135m 10m/s 4.9m/s
10:00
0% 7.1°C 0mm 71% 0cm 31° 12°C 0mm 0.41kPa 24134m 9.5m/s 5.9m/s
11:00
0% 5.9°C 0mm 66% 0cm 39° 12°C 0mm 0.49kPa 24135m 9.4m/s 6.6m/s
12:00
0% 8.6°C 0mm 74% 0cm 44° 13°C 0mm 0.39kPa 24135m 9.7m/s 6.8m/s
13:00
0% 10°C 0mm 79% 0cm 46° 14°C 0mm 0.33kPa 24135m 11m/s 7.8m/s
14:00
0% 9.1°C 0mm 85% 0cm 45° 12°C 0.06mm 0.21kPa 24135m 9.5m/s 6.5m/s
15:00
0% 7.9°C 0mm 80% 0cm 40° 11°C 0.06mm 0.27kPa 24134m 11m/s 7.1m/s
16:00
0% 5.1°C 0mm 75% 0cm 34° 9.3°C 0.13mm 0.29kPa 24135m 11m/s 7m/s
17:00
0% 5.3°C 0mm 73% 0cm 26° 10°C 0.19mm 0.34kPa 24134m 10m/s 6.5m/s
18:00
0% 4.9°C 0mm 73% 0cm 17° 9.4°C 0.25mm 0.31kPa 24134m 9.7m/s 6m/s
19:00
0% 3.6°C 0mm 74% 0cm 7.5° 7.9°C 0.25mm 0.28kPa 24135m 11m/s 6.8m/s
20:00
31% 2.5°C 0mm 76% 0cm -1.5° 6.4°C 0mm 0.23kPa 24135m 12m/s 6.6m/s
21:00
63% 1.5°C 0mm 80% 0cm -10° 4.8°C 0mm 0.18kPa 24134m 9.4m/s 3.9m/s
22:00
94% 0.9°C 0mm 81% 0cm -18° 3.9°C 0mm 0.15kPa 24134m 9.8m/s 4m/s
23:00
93% 0.2°C 0mm 78% 0cm -24° 3.7°C 0mm 0.18kPa 24135m 10m/s 3.7m/s
Fri, Apr 10 Sunrise 06:24 Sunset 19:53
24:00
91% -0.1°C 0mm 80% 0cm -28° 3°C 0mm 0.15kPa 24134m 9.2m/s 3.7m/s
01:00
90% -0.3°C 0mm 78% 0cm -30° 3.1°C 0mm 0.16kPa 24135m 10m/s 3.3m/s
02:00
62% -0.5°C 0mm 77% 0cm -29° 3.2°C 0mm 0.18kPa 24134m 9.8m/s 2.8m/s
03:00
33% -0.7°C 0mm 78% 0cm -26° 2.7°C 0mm 0.16kPa 24134m 6.4m/s 2m/s
04:00
5% -0.7°C 0mm 75% 0cm -20° 3.3°C 0mm 0.19kPa 24135m 7.5m/s 2.1m/s
05:00
3% -0.7°C 0mm 76% 0cm -12° 3.1°C 0mm 0.18kPa 24134m 3.5m/s 1.4m/s
06:00
2% -0.8°C 0mm 75% 0cm -4° 3.3°C 0mm 0.19kPa 24134m 1.2m/s 1.2m/s
07:00
0% -0.4°C 0mm 76% 0cm 5.2° 3.4°C 0mm 0.18kPa 24135m 1.1m/s 1.1m/s
08:00
0% -0.2°C 0mm 73% 0cm 14° 4.2°C 0mm 0.23kPa 24134m 1m/s 0.93m/s
09:00
0% 0°C 0mm 70% 0cm 23° 4.9°C 0mm 0.26kPa 24134m 1.3m/s 1.3m/s
10:00
0% 0°C 0mm 65% 0cm 32° 6°C 0mm 0.32kPa 24135m 2.2m/s 1.8m/s
11:00
0% 0.1°C 0mm 61% 0cm 39° 7.2°C 0mm 0.4kPa 24135m 3.9m/s 3m/s
12:00
0% 0.3°C 0mm 59% 0cm 44° 7.9°C 0mm 0.44kPa 24134m 5.1m/s 4.1m/s
13:00
0% 0.5°C 0mm 59% 0cm 46° 8.2°C 0mm 0.45kPa 24134m 5.5m/s 4.2m/s
14:00
0% 0.8°C 0mm 58% 0cm 45° 8.6°C 0mm 0.47kPa 24134m 6.3m/s 4.7m/s
15:00
0% 1.6°C 0mm 61% 0cm 41° 8.7°C 0mm 0.44kPa 24134m 6.7m/s 5.6m/s
16:00
0% 2.8°C 0.03mm 76% 0cm 34° 6.6°C 0.06mm 0.23kPa 24134m 7.3m/s 6m/s
17:00
0% 2.4°C 0mm 76% 0cm 26° 6.3°C 0.06mm 0.23kPa 24134m 7m/s 4m/s
18:00
0% 2°C 0mm 71% 0cm 17° 6.9°C 0.13mm 0.28kPa 24135m 9.5m/s 5.3m/s
19:00
0% 1.9°C 0mm 72% 0cm 7.8° 6.6°C 0.13mm 0.27kPa 24135m 9.9m/s 6.3m/s
20:00
0% 1.9°C 0mm 77% 0cm -1.2° 5.7°C 0mm 0.21kPa 24135m 9.3m/s 5.4m/s
21:00
0% 2.3°C 0mm 83% 0cm -10° 4.9°C 0mm 0.15kPa 24134m 11m/s 6.6m/s
22:00
0% 2.8°C 0mm 91% 0cm -18° 4.1°C 0mm 0.07kPa 24135m 14m/s 6.4m/s
23:00
0% 2.5°C 0mm 85% 0cm -24° 4.8°C 0mm 0.13kPa 24134m 19m/s 7.8m/s
Sat, Apr 11 Sunrise 06:21 Sunset 19:55
24:00
0% 2.8°C 0mm 82% 0cm -28° 5.6°C 0mm 0.16kPa 24135m 19m/s 8.3m/s
01:00
0% 3.2°C 0mm 83% 0cm -30° 5.9°C 0mm 0.16kPa 24134m 19m/s 8.2m/s
02:00
0% 5.1°C 0mm 86% 0cm -29° 7.3°C 0mm 0.15kPa 24134m 17m/s 7.7m/s
03:00
0% 6.6°C 0mm 88% 0cm -25° 8.6°C 0mm 0.14kPa 24134m 16m/s 7.3m/s
04:00
0% 7.1°C 0.16mm 89% 0cm -19° 8.8°C 0mm 0.12kPa 24135m 14m/s 7.6m/s
05:00
0% 7.5°C 0.38mm 94% 0cm -12° 8.5°C 0.31mm 0.07kPa 18810m 14m/s 6.6m/s
06:00
0% 4.2°C 0.26mm 91% 0cm -3.6° 5.5°C 0.75mm 0.08kPa 24135m 13m/s 8.3m/s
07:00
0% 3.2°C 0.24mm 91% 0cm 5.5° 4.5°C 1.1mm 0.07kPa 23911m 14m/s 6.4m/s
08:00
0% 2.7°C 0.16mm 80% 0cm 15° 5.8°C 0.88mm 0.18kPa 23986m 13m/s 7.3m/s
09:00
0% 1.9°C 0.08mm 69% 0cm 24° 7.2°C 0.63mm 0.31kPa 24060m 13m/s 8.2m/s
10:00
0% 0.8°C 0mm 58% 0cm 32° 8.5°C 0.38mm 0.46kPa 24135m 13m/s 9m/s
11:00
0% 1.1°C 0.003mm 62% 0cm 39° 7.9°C 0.38mm 0.4kPa 24135m 13m/s 8.8m/s
12:00
0% 1.3°C 0.007mm 66% 0cm 44° 7.2°C 0.38mm 0.35kPa 24135m 14m/s 8.6m/s
13:00
0% 1.5°C 0.01mm 70% 0cm 46° 6.6°C 0.38mm 0.29kPa 24135m 15m/s 8.4m/s
14:00
10% 1.8°C 0.007mm 75% 0cm 45° 5.9°C 0.27mm 0.23kPa 24135m 15m/s 8.1m/s
15:00
21% 2°C 0.003mm 80% 0cm 41° 5.2°C 0.17mm 0.18kPa 24135m 15m/s 7.8m/s
16:00
31% 2.1°C 0mm 85% 0cm 34° 4.5°C 0.06mm 0.13kPa 24135m 15m/s 7.5m/s
17:00
33% 2.1°C 0mm 84% 0cm 26° 4.6°C 0.06mm 0.14kPa 24135m 15m/s 7.7m/s
18:00
35% 2.1°C 0mm 83% 0cm 17° 4.8°C 0.06mm 0.15kPa 24135m 16m/s 7.8m/s
19:00
37% 2.1°C 0mm 82% 0cm 4.9°C 0.06mm 0.16kPa 24135m 16m/s 7.9m/s
20:00
53% 2.1°C 0mm 82% 0cm -0.91° 4.9°C 0.04mm 0.16kPa 24135m 15m/s 7.7m/s
21:00
68% 2.1°C 0mm 82% 0cm -9.7° 4.8°C 0.02mm 0.15kPa 24135m 15m/s 7.6m/s
22:00
84% 2.1°C 0mm 82% 0cm -17° 4.8°C 0mm 0.15kPa 24135m 15m/s 7.5m/s
23:00
83% 2.2°C 0mm 82% 0cm -24° 5°C 0mm 0.16kPa 24135m 15m/s 7.7m/s
Sun, Apr 12 Sunrise 06:19 Sunset 19:57
24:00
82% 2.3°C 0mm 81% 0cm -28° 5.2°C 0mm 0.16kPa 24135m 15m/s 8m/s
01:00
81% 2.4°C 0mm 81% 0cm -29° 5.4°C 0mm 0.17kPa 24135m 15m/s 8.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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