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Rule Fog Hunter

Painswick - Fog Hunter - Cotswolds

Painswick, England, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

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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 · ≥ 75.0%

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 Spread19.1°C
Visibility24134 (Clear)
Relative Humidity31%
Wind Speed2.7m/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 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/London
Fog Probability
≥ 75.0%
Wed, Jul 8
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%
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23:000%
Thu, Jul 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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13:000%
14:000%
15:000%
16:000%
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18:000%
19:000%
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Fri, Jul 10
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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19:000%
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22:000%
23:000%
Sat, Jul 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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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/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
Wed, Jul 8 Sunrise 05:00 Sunset 21:26
14:00
100% 11°C 0mm 31% 0cm 59° 30°C 0mm 3kPa 24134m 2.4m/s 2.7m/s
15:00
100% 12°C 0mm 31% 0cm 54° 31°C 0mm 3kPa 24135m 2.7m/s 3.3m/s
16:00
100% 12°C 0mm 32% 0cm 47° 31°C 0mm 3kPa 24135m 3.2m/s 4m/s
17:00
100% 12°C 0mm 32% 0cm 38° 30°C 0mm 2.9kPa 24135m 3.6m/s 4.4m/s
18:00
100% 12°C 0mm 34% 0cm 29° 30°C 0mm 2.8kPa 24135m 3.5m/s 3.8m/s
19:00
100% 13°C 0mm 37% 0cm 20° 29°C 0mm 2.5kPa 24134m 3.8m/s 3.8m/s
20:00
100% 14°C 0mm 46% 0cm 11° 26°C 0mm 1.9kPa 24134m 5.8m/s 3.7m/s
21:00
99% 14°C 0mm 60% 0cm 2.8° 22°C 0mm 1.1kPa 24134m 4.2m/s 2.8m/s
22:00
99% 15°C 0mm 73% 0cm -4.5° 20°C 0mm 0.62kPa 24135m 2.2m/s 2.3m/s
23:00
99% 15°C 0mm 80% 0cm -10° 19°C 0mm 0.43kPa 24134m 1.8m/s 1.9m/s
Thu, Jul 9 Sunrise 05:00 Sunset 21:26
24:00
100% 15°C 0mm 84% 0cm -14° 18°C 0mm 0.33kPa 24134m 1.7m/s 1.7m/s
01:00
100% 15°C 0mm 86% 0cm -16° 17°C 0mm 0.28kPa 24135m 1.5m/s 1.7m/s
02:00
100% 15°C 0mm 86% 0cm -15° 17°C 0mm 0.26kPa 24135m 1.4m/s 1.3m/s
03:00
100% 14°C 0mm 87% 0cm -12° 16°C 0mm 0.24kPa 24135m 1.3m/s 1.3m/s
04:00
100% 14°C 0mm 88% 0cm -7.4° 16°C 0mm 0.22kPa 24134m 1.2m/s 1.2m/s
05:00
100% 13°C 0mm 88% 0cm -0.63° 15°C 0mm 0.21kPa 24134m 1.3m/s 1.3m/s
06:00
99% 14°C 0mm 86% 0cm 6.9° 16°C 0mm 0.25kPa 24134m 1.4m/s 1.4m/s
07:00
99% 14°C 0mm 76% 0cm 15° 18°C 0mm 0.51kPa 24135m 1.9m/s 1.4m/s
08:00
98% 14°C 0mm 64% 0cm 24° 21°C 0mm 0.86kPa 24135m 2.2m/s 1.9m/s
09:00
97% 14°C 0mm 56% 0cm 34° 23°C 0mm 1.3kPa 24134m 2.1m/s 2.3m/s
10:00
96% 14°C 0mm 49% 0cm 43° 25°C 0mm 1.6kPa 24135m 1.4m/s 1.8m/s
11:00
94% 14°C 0mm 42% 0cm 51° 28°C 0mm 2.2kPa 24134m 0.8m/s 1.1m/s
12:00
91% 12°C 0mm 34% 0cm 57° 30°C 0mm 2.8kPa 24135m 1m/s 0.89m/s
13:00
89% 11°C 0mm 29% 0cm 60° 31°C 0mm 3.2kPa 24135m 1.2m/s 1.1m/s
14:00
85% 9.7°C 0mm 25% 0cm 59° 32°C 0mm 3.5kPa 24134m 1.4m/s 1.3m/s
15:00
80% 8.9°C 0mm 23% 0cm 54° 32°C 0mm 3.7kPa 24135m 1.5m/s 1.6m/s
16:00
76% 8.5°C 0mm 22% 0cm 47° 33°C 0mm 3.8kPa 24135m 1.5m/s 2m/s
17:00
72% 8.1°C 0mm 22% 0cm 38° 32°C 0mm 3.8kPa 24134m 1.9m/s 2.6m/s
18:00
69% 8°C 0mm 23% 0cm 29° 32°C 0mm 3.6kPa 24135m 2.4m/s 3.1m/s
19:00
65% 8.4°C 0mm 25% 0cm 20° 30°C 0mm 3.3kPa 24135m 2.6m/s 3.2m/s
20:00
57% 11°C 0mm 34% 0cm 11° 28°C 0mm 2.5kPa 24134m 3.2m/s 2.2m/s
21:00
48% 11°C 0mm 42% 0cm 2.7° 24°C 0mm 1.8kPa 24135m 1.9m/s 1.8m/s
22:00
40% 11°C 0mm 48% 0cm -4.6° 22°C 0mm 1.4kPa 24135m 4.3m/s 2.9m/s
23:00
37% 9.8°C 0mm 50% 0cm -10° 21°C 0mm 1.2kPa 24135m 7.1m/s 3.8m/s
Fri, Jul 10 Sunrise 05:01 Sunset 21:26
24:00
35% 9.7°C 0mm 57% 0cm -14° 18°C 0mm 0.91kPa 24135m 6.2m/s 3.4m/s
01:00
32% 9.8°C 0mm 63% 0cm -16° 17°C 0mm 0.71kPa 24135m 5.4m/s 3.4m/s
02:00
32% 10°C 0mm 69% 0cm -15° 16°C 0mm 0.56kPa 24135m 6.4m/s 3.5m/s
03:00
32% 11°C 0mm 76% 0cm -12° 15°C 0mm 0.41kPa 24135m 5.5m/s 3.3m/s
04:00
32% 11°C 0mm 81% 0cm -7.5° 14°C 0mm 0.3kPa 24134m 4.6m/s 2.9m/s
05:00
35% 11°C 0mm 86% 0cm -0.79° 14°C 0mm 0.23kPa 24135m 3.6m/s 2.8m/s
06:00
38% 12°C 0mm 83% 0cm 6.7° 15°C 0mm 0.29kPa 24134m 3.9m/s 2.5m/s
07:00
41% 13°C 0mm 71% 0cm 15° 18°C 0mm 0.58kPa 24135m 3.5m/s 2.3m/s
08:00
52% 13°C 0mm 61% 0cm 24° 21°C 0mm 0.99kPa 24134m 3m/s 2.4m/s
09:00
63% 13°C 0mm 51% 0cm 34° 24°C 0mm 1.5kPa 24134m 2.4m/s 2.3m/s
10:00
74% 13°C 0mm 42% 0cm 43° 27°C 0mm 2kPa 24135m 2.4m/s 1.7m/s
11:00
74% 13°C 0mm 36% 0cm 51° 29°C 0mm 2.6kPa 24134m 2.5m/s 2.1m/s
12:00
74% 13°C 0mm 32% 0cm 57° 31°C 0mm 3.1kPa 24134m 2.1m/s 2.1m/s
13:00
74% 13°C 0mm 29% 0cm 60° 33°C 0mm 3.6kPa 24134m 1.4m/s 1.4m/s
14:00
67% 11°C 0mm 25% 0cm 59° 34°C 0mm 4.1kPa 24135m 0.94m/s 0.67m/s
15:00
60% 11°C 0mm 23% 0cm 54° 35°C 0mm 4.3kPa 24134m 0.71m/s 0.08m/s
16:00
53% 9.8°C 0mm 22% 0cm 47° 35°C 0mm 4.4kPa 24134m 1.1m/s 0.84m/s
17:00
43% 9°C 0mm 21% 0cm 38° 35°C 0mm 4.4kPa 24135m 1.8m/s 1.4m/s
18:00
34% 8.3°C 0mm 20% 0cm 29° 34°C 0mm 4.3kPa 24135m 2.5m/s 2.1m/s
19:00
24% 8.5°C 0mm 21% 0cm 19° 34°C 0mm 4.2kPa 24135m 3.1m/s 3.2m/s
20:00
22% 13°C 0mm 40% 0cm 11° 28°C 0.02mm 2.3kPa 24135m 2.7m/s 2.9m/s
21:00
19% 14°C 0mm 59% 0cm 2.6° 22°C 0.04mm 1.1kPa 24135m 2.4m/s 2.5m/s
22:00
17% 13°C 0mm 78% 0cm -4.7° 17°C 0.06mm 0.41kPa 24135m 2m/s 2.1m/s
23:00
21% 13°C 0.007mm 77% 0cm -10° 17°C 0.1mm 0.44kPa 24135m 2.8m/s 2.3m/s
Sat, Jul 11 Sunrise 05:02 Sunset 21:25
24:00
25% 13°C 0.01mm 76% 0cm -14° 18°C 0.15mm 0.48kPa 24135m 3.6m/s 2.5m/s
01:00
29% 14°C 0.02mm 75% 0cm -16° 18°C 0.19mm 0.51kPa 24135m 4.3m/s 2.6m/s
02:00
43% 14°C 0.01mm 64% 0cm -15° 21°C 0.15mm 0.86kPa 24135m 4.9m/s 3.4m/s
03:00
56% 13°C 0.007mm 54% 0cm -13° 23°C 0.1mm 1.3kPa 24135m 5.4m/s 4.2m/s
04:00
70% 12°C 0mm 43% 0cm -7.7° 25°C 0.06mm 1.8kPa 24135m 5.9m/s 5m/s
05:00
71% 12°C 0mm 38% 0cm -0.95° 27°C 0.06mm 2.2kPa 24135m 5.9m/s 5.2m/s
06:00
72% 11°C 0mm 34% 0cm 6.6° 28°C 0.06mm 2.5kPa 24135m 5.9m/s 5.3m/s
07:00
73% 10°C 0mm 30% 0cm 15° 30°C 0.06mm 3kPa 24135m 5.8m/s 5.5m/s
08:00
77% 10°C 0mm 28% 0cm 24° 31°C 0.04mm 3.1kPa 24135m 5.7m/s 5.6m/s
09:00
81% 9.8°C 0mm 27% 0cm 33° 31°C 0.02mm 3.3kPa 24135m 5.6m/s 5.8m/s
10:00
85% 9.4°C 0mm 26% 0cm 42° 32°C 0mm 3.4kPa 24135m 5.5m/s 5.9m/s
11:00
83% 9.9°C 0mm 28% 0cm 51° 31°C 0mm 3.1kPa 24135m 6.1m/s 6.6m/s
12:00
81% 10°C 0mm 30% 0cm 57° 30°C 0mm 2.9kPa 24135m 6.7m/s 7.4m/s
13:00
79% 11°C 0mm 33% 0cm 60° 29°C 0mm 2.6kPa 24135m 7.2m/s 8.1m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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