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Rule Fog Hunter

Chesil Beach - Fog Hunter - Dorset & Jurassic Coast

Weymouth, 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 · ≥ 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 Spread3.6°C
Visibility24135 (Clear)
Relative Humidity80%
Wind Speed2.8m/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 identifies when mist and fog conditions create atmospheric photography opportunities across Dorset's varied landscape. We track temperature, humidity, and wind patterns to predict when valley mist at Corfe Castle and sea fog along the coast will create moody, atmospheric scenes.

Dorset's geography creates distinctive fog opportunities—inland valleys that funnel mist around hilltop Corfe Castle, and coastal locations where sea fog rolls over limestone arches and cliff formations. These conditions transform familiar landmarks into mysterious, layered compositions.

What makes Dorset special for fog photography:

  • Corfe Castle - Ruined hilltop fortress emerges from valley mist, creating dramatic atmospheric layers
  • Coastal sea fog - Marine layer rolls over Durdle Door and along the Jurassic Coast
  • Kimmeridge Bay - Fog drifts across ledge formations extending into the sea
  • Portland - Sea fog wraps around the limestone peninsula and lighthouse

Corfe Castle offers Dorset's most dramatic fog photography—the ruined medieval fortress perched on a hilltop becomes even more evocative when valley mist swirls around its ramparts. Autumn and winter mornings (October-March) provide the best conditions when temperature inversions trap mist in the Purbeck valleys. Sea fog along the coast creates ethereal conditions at Durdle Door—the limestone arch appears and disappears through drifting layers. Portland Bill lighthouse cutting through sea fog creates moody maritime compositions. Lulworth Cove's horseshoe bay can fill completely with fog while surrounding cliffs remain visible. The key is monitoring overnight temperature drops that create mist, then being positioned at dawn when fog is densest and first light adds dimension. Fog typically burns off by mid-morning, so early starts are essential.

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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%
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15:000%
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Thu, Jul 9
24:000%
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04:000%
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Fri, Jul 10
24:000%
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06:000%
07:000%
08:000%
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Sat, Jul 11
24:000%
01:000%
02:000%
03:000%
04:000%
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06:000%
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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 05:07 Sunset 21:21
15:00
94% 15°C 0mm 80% 0cm 55° 19°C 0mm 0.44kPa 24135m 2.9m/s 2.8m/s
16:00
91% 16°C 0mm 79% 0cm 47° 19°C 0mm 0.46kPa 24135m 3.1m/s 3m/s
17:00
94% 16°C 0mm 79% 0cm 38° 19°C 0mm 0.48kPa 24135m 3.6m/s 3.3m/s
18:00
96% 16°C 0mm 79% 0cm 29° 20°C 0mm 0.47kPa 24135m 4.3m/s 3.9m/s
19:00
99% 16°C 0mm 80% 0cm 19° 20°C 0mm 0.44kPa 24134m 4.2m/s 3.9m/s
20:00
99% 16°C 0mm 81% 0cm 10° 19°C 0mm 0.43kPa 24134m 3m/s 3m/s
21:00
100% 16°C 0mm 79% 0cm 2.3° 19°C 0mm 0.46kPa 24134m 2.9m/s 2.9m/s
22:00
100% 15°C 0mm 77% 0cm -5.2° 19°C 0mm 0.52kPa 24135m 3m/s 3m/s
23:00
100% 14°C 0mm 73% 0cm -11° 19°C 0mm 0.6kPa 24134m 3.4m/s 3.3m/s
Thu, Jul 9 Sunrise 05:07 Sunset 21:21
24:00
100% 14°C 0mm 71% 0cm -15° 19°C 0mm 0.63kPa 24134m 3.4m/s 3.3m/s
01:00
100% 13°C 0mm 70% 0cm -17° 19°C 0mm 0.64kPa 24135m 2.8m/s 2.8m/s
02:00
96% 13°C 0mm 69% 0cm -16° 18°C 0mm 0.65kPa 24135m 2.7m/s 2.7m/s
03:00
93% 13°C 0mm 70% 0cm -13° 18°C 0mm 0.63kPa 24135m 2.7m/s 2.6m/s
04:00
89% 13°C 0mm 71% 0cm -8.4° 18°C 0mm 0.59kPa 24134m 3m/s 2.9m/s
05:00
87% 13°C 0mm 74% 0cm -1.7° 18°C 0mm 0.51kPa 24134m 2.6m/s 2.6m/s
06:00
84% 13°C 0mm 77% 0cm 6.2° 17°C 0mm 0.46kPa 24134m 2.5m/s 2.5m/s
07:00
82% 14°C 0mm 77% 0cm 15° 18°C 0mm 0.46kPa 24135m 2.8m/s 2.7m/s
08:00
82% 14°C 0mm 76% 0cm 24° 18°C 0mm 0.5kPa 24135m 2.2m/s 2.2m/s
09:00
81% 14°C 0mm 74% 0cm 34° 19°C 0mm 0.56kPa 24134m 1.4m/s 1.3m/s
10:00
81% 14°C 0mm 73% 0cm 43° 19°C 0mm 0.59kPa 24135m 0.9m/s 0.59m/s
11:00
74% 14°C 0mm 71% 0cm 51° 19°C 0mm 0.64kPa 24134m 1.1m/s 1.1m/s
12:00
67% 14°C 0mm 70% 0cm 58° 19°C 0mm 0.68kPa 24135m 1.7m/s 1.8m/s
13:00
60% 13°C 0mm 68% 0cm 62° 19°C 0mm 0.73kPa 24135m 2m/s 2m/s
14:00
49% 14°C 0mm 68% 0cm 60° 20°C 0mm 0.72kPa 24134m 2.1m/s 1.9m/s
15:00
38% 14°C 0mm 69% 0cm 55° 20°C 0mm 0.73kPa 24135m 1.9m/s 1.9m/s
16:00
27% 14°C 0mm 69% 0cm 47° 20°C 0mm 0.72kPa 24135m 1.7m/s 1.7m/s
17:00
25% 14°C 0mm 68% 0cm 38° 20°C 0mm 0.75kPa 24134m 1.6m/s 1.5m/s
18:00
24% 15°C 0mm 69% 0cm 29° 20°C 0mm 0.74kPa 24135m 1m/s 0.71m/s
19:00
22% 15°C 0mm 70% 0cm 19° 21°C 0mm 0.73kPa 24135m 0.6m/s 0.31m/s
20:00
20% 15°C 0mm 67% 0cm 10° 21°C 0mm 0.83kPa 24134m 1.6m/s 1.6m/s
21:00
17% 14°C 0mm 65% 0cm 2.2° 21°C 0mm 0.87kPa 24135m 3m/s 3m/s
22:00
15% 14°C 0mm 66% 0cm -5.3° 21°C 0mm 0.81kPa 24135m 3.8m/s 3.7m/s
23:00
14% 13°C 0mm 64% 0cm -11° 20°C 0mm 0.86kPa 24135m 3.6m/s 3.5m/s
Fri, Jul 10 Sunrise 05:08 Sunset 21:21
24:00
14% 13°C 0mm 61% 0cm -15° 20°C 0mm 0.92kPa 24135m 3.1m/s 3m/s
01:00
13% 12°C 0mm 62% 0cm -17° 20°C 0mm 0.9kPa 24135m 3m/s 3.1m/s
02:00
16% 13°C 0mm 63% 0cm -16° 20°C 0mm 0.84kPa 24135m 3.6m/s 3.5m/s
03:00
19% 13°C 0mm 66% 0cm -14° 19°C 0mm 0.76kPa 24135m 3.2m/s 3.2m/s
04:00
22% 13°C 0mm 67% 0cm -8.6° 19°C 0mm 0.73kPa 24134m 3.2m/s 3.1m/s
05:00
24% 13°C 0mm 69% 0cm -1.8° 19°C 0mm 0.68kPa 24135m 3.7m/s 3.7m/s
06:00
27% 13°C 0mm 70% 0cm 6.1° 19°C 0mm 0.66kPa 24134m 4m/s 3.9m/s
07:00
29% 13°C 0mm 70% 0cm 15° 19°C 0mm 0.66kPa 24135m 4.2m/s 3.7m/s
08:00
42% 14°C 0mm 70% 0cm 24° 19°C 0mm 0.69kPa 24134m 4.5m/s 4.1m/s
09:00
54% 15°C 0mm 75% 0cm 33° 19°C 0mm 0.56kPa 24134m 6.6m/s 4.9m/s
10:00
67% 16°C 0mm 82% 0cm 43° 19°C 0mm 0.38kPa 24135m 7.8m/s 5.5m/s
11:00
67% 16°C 0mm 85% 0cm 51° 19°C 0mm 0.32kPa 24134m 8.6m/s 6m/s
12:00
67% 16°C 0mm 86% 0cm 58° 18°C 0mm 0.29kPa 24134m 8.6m/s 5.9m/s
13:00
67% 16°C 0mm 86% 0cm 61° 19°C 0mm 0.3kPa 24134m 8.6m/s 5.9m/s
14:00
70% 16°C 0mm 85% 0cm 60° 19°C 0mm 0.33kPa 24135m 7.3m/s 5.3m/s
15:00
73% 16°C 0mm 84% 0cm 55° 19°C 0mm 0.36kPa 24134m 6m/s 4.8m/s
16:00
76% 16°C 0mm 82% 0cm 47° 19°C 0mm 0.39kPa 24134m 5.5m/s 4.5m/s
17:00
77% 16°C 0mm 81% 0cm 38° 19°C 0mm 0.42kPa 24135m 5m/s 4.4m/s
18:00
78% 16°C 0mm 80% 0cm 29° 19°C 0mm 0.44kPa 24135m 4.3m/s 3.7m/s
19:00
79% 16°C 0mm 76% 0cm 19° 20°C 0mm 0.58kPa 24135m 3.7m/s 3.1m/s
20:00
80% 16°C 0mm 77% 0cm 10° 20°C 0mm 0.52kPa 24135m 5.4m/s 3.8m/s
21:00
82% 15°C 0mm 79% 0cm 2.1° 19°C 0mm 0.47kPa 24135m 7.2m/s 4.5m/s
22:00
83% 15°C 0mm 80% 0cm -5.4° 19°C 0mm 0.42kPa 24135m 8.9m/s 5.2m/s
23:00
85% 15°C 0mm 79% 0cm -11° 19°C 0mm 0.46kPa 24135m 8.6m/s 5.3m/s
Sat, Jul 11 Sunrise 05:09 Sunset 21:20
24:00
86% 14°C 0mm 77% 0cm -15° 19°C 0mm 0.5kPa 24135m 8.3m/s 5.3m/s
01:00
88% 14°C 0mm 75% 0cm -17° 19°C 0mm 0.54kPa 24135m 8m/s 5.4m/s
02:00
91% 14°C 0mm 73% 0cm -17° 19°C 0mm 0.59kPa 24135m 8.4m/s 5.7m/s
03:00
93% 14°C 0mm 72% 0cm -14° 20°C 0mm 0.64kPa 24135m 8.8m/s 5.9m/s
04:00
96% 14°C 0mm 70% 0cm -8.7° 20°C 0mm 0.69kPa 24135m 9.2m/s 6.2m/s
05:00
96% 15°C 0mm 73% 0cm -1.9° 20°C 0mm 0.63kPa 24135m 9.3m/s 6.5m/s
06:00
96% 15°C 0mm 75% 0cm 5.9° 19°C 0mm 0.56kPa 24135m 9.3m/s 6.9m/s
07:00
96% 15°C 0mm 77% 0cm 15° 19°C 0mm 0.5kPa 24135m 9.3m/s 7.2m/s
08:00
95% 15°C 0mm 78% 0cm 24° 19°C 0mm 0.48kPa 24135m 8.9m/s 6.6m/s
09:00
94% 15°C 0mm 79% 0cm 33° 19°C 0mm 0.47kPa 24135m 8.5m/s 5.9m/s
10:00
93% 15°C 0mm 80% 0cm 43° 19°C 0mm 0.45kPa 24135m 8m/s 5.2m/s
11:00
92% 16°C 0mm 80% 0cm 51° 19°C 0mm 0.43kPa 24135m 6.8m/s 4.5m/s
12:00
92% 16°C 0mm 81% 0cm 58° 19°C 0mm 0.42kPa 24135m 5.6m/s 3.7m/s
13:00
91% 16°C 0mm 82% 0cm 61° 19°C 0mm 0.4kPa 24135m 4.4m/s 3m/s
14:00
89% 15°C 0mm 76% 0cm 60° 19°C 0mm 0.53kPa 24135m 5.6m/s 3.8m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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