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Rule Fog Hunter

Buttermere - Fog Hunter - Lake District

Workington, England, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread3.2°C
Visibility13487 (Clear)
Relative Humidity81%
Wind Speed4.7m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London
fog weather icon
Next opportunity
Dense Fog at Sunset
Buttermere
Sat, Jun 13 · 22:00–23:00 · 1h window
Medium confidence
66%
🌫️Fog Probability100%
Dewpoint Spread: 0.3°C
Visibility: 428 (Fog)
Relative Humidity: 98%
Wind Speed: 2.9m/s (calm conditions)
fog weather icon
Dense Fog
Buttermere
Sat, Jun 13 · 23:00–24:00
🌫️Fog Probability:86%
Medium
fog weather icon
Dense Fog
Buttermere
Fri, Jun 19 · 24:00–02:00
🌫️Fog Probability:77.1-100%
Medium

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the conditions that create the Lake District's legendary atmospheric photography. We combine fog probability, dewpoint spread, visibility, and wind data to predict when and where mist will form over these famous lakes and valleys.

The Lake District's combination of lakes, tarns, and enclosed valleys creates ideal conditions for fog formation. Cool, calm nights allow mist to pool in valley bottoms, creating ethereal scenes at dawn that have inspired poets and photographers for centuries.

What makes the Lake District special for fog photography:

  • Lake mist - Cold water surfaces generate fog that pools over the lakes at dawn
  • Valley inversions - Mountain-ringed valleys trap mist while fells rise above
  • Romantic landscapes - This is Wordsworth and Turner country, with timeless views
  • Accessible locations - Well-maintained paths reach viewpoints above the fog layer

Peak fog season runs from late August through October, when temperature differentials are greatest. The best conditions typically occur on calm, clear nights when temperatures drop near dewpoint. Arrive before dawn—lake mist often lifts within an hour or two of sunrise. Higher viewpoints like Catbells or Loughrigg offer shots looking down at fog-filled valleys.

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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
≥ 75.0%
Tue, Jun 9
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
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Wed, Jun 10
24:000%
01:000%
02:000%
03:000%
04:000%
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06:000%
07:000%
08:000%
09:000%
10:000%
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Thu, Jun 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
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20:0038%
21:0021%
22:0021%
23:000%
Fri, Jun 12
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
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20:000%
21:000%
22:000%
23:000%
Sat, Jun 13
24:000%
01:000%
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, Jun 10 Sunrise 04:39 Sunset 21:48
03:00
17% 6.7°C 0mm 81% 0cm -9° 9.9°C 0.06mm 0.24kPa 13487m 6.1m/s 4.7m/s
04:00
2% 6.8°C 0mm 82% 0cm -4.5° 9.8°C 0.38mm 0.22kPa 13810m 6.3m/s 4.6m/s
05:00
1% 6.5°C 0mm 79% 0cm 1.8° 10°C 0.63mm 0.26kPa 24134m 5.6m/s 4.1m/s
06:00
1% 6.5°C 0mm 78% 0cm 8.8° 10°C 1.1mm 0.27kPa 9703m 5.7m/s 4.3m/s
07:00
0% 6.5°C 0mm 77% 0cm 17° 10°C 1.4mm 0.29kPa 15087m 6.6m/s 5.2m/s
08:00
5% 6.7°C 0mm 77% 0cm 25° 11°C 0.19mm 0.3kPa 22797m 6.7m/s 5.5m/s
09:00
11% 6.6°C 0mm 74% 0cm 34° 11°C 0.44mm 0.33kPa 17788m 7.5m/s 7m/s
10:00
16% 6.6°C 0mm 74% 0cm 42° 11°C 0.63mm 0.34kPa 23119m 7.7m/s 7.6m/s
11:00
16% 6.6°C 0mm 74% 0cm 50° 11°C 0.69mm 0.34kPa 23514m 8m/s 7.6m/s
12:00
15% 6.6°C 0mm 75% 0cm 56° 11°C 0.75mm 0.33kPa 24135m 8.5m/s 7.9m/s
13:00
15% 7.1°C 0mm 77% 0cm 58° 11°C 0.75mm 0.31kPa 24135m 8.9m/s 8.3m/s
14:00
33% 7.4°C 0mm 77% 0cm 57° 11°C 0mm 0.3kPa 24006m 9.2m/s 8.4m/s
15:00
50% 7.4°C 0mm 75% 0cm 53° 12°C 0.13mm 0.35kPa 22905m 9.1m/s 8.2m/s
16:00
68% 7.5°C 0mm 74% 0cm 46° 12°C 0.19mm 0.36kPa 24135m 8.3m/s 7.2m/s
17:00
68% 7.5°C 0mm 76% 0cm 38° 12°C 0.19mm 0.33kPa 24134m 8.1m/s 6.8m/s
18:00
69% 7.5°C 0mm 75% 0cm 29° 12°C 0.25mm 0.35kPa 24135m 7.9m/s 6.4m/s
19:00
69% 7.8°C 0mm 75% 0cm 21° 12°C 0.25mm 0.35kPa 24031m 7.3m/s 6.3m/s
20:00
66% 8°C 0mm 76% 0cm 12° 12°C 0.06mm 0.34kPa 24134m 7.2m/s 6.2m/s
21:00
63% 8.1°C 0mm 77% 0cm 4.8° 12°C 0.19mm 0.32kPa 18315m 7.2m/s 6m/s
22:00
60% 7.7°C 0.01mm 76% 0cm -1.8° 12°C 0.38mm 0.32kPa 19441m 6.7m/s 5m/s
23:00
51% 7.5°C 0mm 75% 0cm -7.1° 12°C 0.38mm 0.34kPa 24134m 5.9m/s 4.3m/s
Thu, Jun 11 Sunrise 04:39 Sunset 21:48
24:00
41% 6.7°C 0mm 73% 0cm -11° 11°C 0.38mm 0.37kPa 24135m 5m/s 3.8m/s
01:00
32% 6.8°C 0.01mm 74% 0cm -12° 11°C 0.38mm 0.35kPa 24135m 4.8m/s 3.7m/s
02:00
23% 7°C 0mm 76% 0cm -12° 11°C 0.06mm 0.32kPa 24135m 4.3m/s 3.2m/s
03:00
13% 7.2°C 0mm 79% 0cm -9° 11°C 0.06mm 0.27kPa 24134m 4.8m/s 3.5m/s
04:00
4% 7.6°C 0mm 80% 0cm -4.4° 11°C 0.06mm 0.25kPa 24134m 6.1m/s 4.3m/s
05:00
3% 7.7°C 0mm 78% 0cm 1.8° 11°C 0.06mm 0.3kPa 24134m 7.3m/s 5.3m/s
06:00
1% 8°C 0.31mm 79% 0cm 8.8° 11°C 0.19mm 0.28kPa 20160m 7.3m/s 5.3m/s
07:00
0% 9.1°C 1mm 88% 0cm 17° 11°C 0.94mm 0.16kPa 10832m 7.1m/s 5.1m/s
08:00
0% 9.5°C 1.3mm 91% 0cm 25° 11°C 1.4mm 0.12kPa 7387m 8m/s 5.7m/s
09:00
0% 9.4°C 1.9mm 90% 0cm 34° 11°C 3.1mm 0.12kPa 7473m 8.4m/s 5.5m/s
10:00
0% 9.5°C 3.2mm 92% 0cm 42° 11°C 5.3mm 0.11kPa 5244m 9.5m/s 5.5m/s
11:00
0% 9.2°C 0.12mm 87% 0cm 50° 11°C 6.2mm 0.17kPa 24134m 8.6m/s 4.8m/s
12:00
0% 9.4°C 0.42mm 87% 0cm 56° 11°C 6.6mm 0.18kPa 17898m 5.7m/s 3.2m/s
13:00
0% 9.2°C 0.1mm 86% 0cm 58° 12°C 6.9mm 0.19kPa 24134m 6.3m/s 2.6m/s
14:00
0% 9.3°C 0.09mm 86% 0cm 57° 12°C 0.31mm 0.2kPa 24134m 4.7m/s 2.2m/s
15:00
0% 9.4°C 0.12mm 84% 0cm 53° 12°C 0.44mm 0.22kPa 24135m 4.5m/s 2.6m/s
16:00
0% 11°C 0.15mm 89% 0cm 46° 12°C 0.56mm 0.16kPa 24134m 6.4m/s 3.7m/s
17:00
0% 12°C 0mm 93% 0cm 38° 13°C 0.75mm 0.1kPa 23675m 8m/s 5.5m/s
18:00
0% 12°C 0.03mm 95% 0cm 29° 13°C 0.75mm 0.07kPa 20680m 8.8m/s 6.5m/s
19:00
0% 12°C 0mm 97% 0cm 21° 13°C 0.75mm 0.05kPa 21026m 9m/s 6m/s
20:00
0% 13°C 0mm 95% 0cm 12° 13°C 0mm 0.07kPa 24134m 6.6m/s 4.8m/s
21:00
0% 13°C 0.7mm 95% 0cm 4.9° 13°C 0.25mm 0.07kPa 14079m 6m/s 4.5m/s
22:00
0% 13°C 0.05mm 97% 0cm -1.7° 13°C 0.69mm 0.05kPa 21522m 6.1m/s 4.9m/s
23:00
0% 13°C 0.1mm 96% 0cm -7° 13°C 0.69mm 0.06kPa 18129m 8.8m/s 6.1m/s
Fri, Jun 12 Sunrise 04:38 Sunset 21:49
24:00
0% 13°C 0.16mm 98% 0cm -11° 13°C 0.88mm 0.03kPa 18015m 12m/s 6.3m/s
01:00
0% 13°C 0.15mm 98% 0cm -12° 13°C 1mm 0.04kPa 21042m 14m/s 9.2m/s
02:00
1% 13°C 0mm 97% 0cm -12° 13°C 0.06mm 0.05kPa 21072m 14m/s 9.3m/s
03:00
1% 13°C 0mm 96% 0cm -8.9° 13°C 0.06mm 0.06kPa 21148m 13m/s 8.6m/s
04:00
2% 13°C 0mm 94% 0cm -4.4° 13°C 0.19mm 0.08kPa 21240m 14m/s 9.5m/s
05:00
2% 12°C 0mm 90% 0cm 1.9° 13°C 0.19mm 0.15kPa 24135m 13m/s 8.1m/s
06:00
1% 11°C 0.02mm 89% 0cm 8.8° 13°C 0.25mm 0.16kPa 24135m 12m/s 5.7m/s
07:00
1% 11°C 0mm 86% 0cm 17° 13°C 0.31mm 0.21kPa 24134m 7.6m/s 4.3m/s
08:00
2% 11°C 0mm 89% 0cm 25° 13°C 0.06mm 0.16kPa 24135m 7.7m/s 5.4m/s
09:00
2% 12°C 0mm 90% 0cm 34° 13°C 0.06mm 0.15kPa 24135m 8.7m/s 7m/s
10:00
3% 11°C 0mm 88% 0cm 42° 13°C 0.06mm 0.18kPa 24134m 9.2m/s 8.1m/s
11:00
2% 11°C 0mm 87% 0cm 50° 13°C 0.06mm 0.19kPa 24135m 9.9m/s 8.9m/s
12:00
1% 11°C 0mm 86% 0cm 56° 13°C 0.06mm 0.21kPa 24135m 10m/s 9m/s
13:00
0% 11°C 0mm 85% 0cm 58° 13°C 0.06mm 0.22kPa 24134m 10m/s 8.6m/s
14:00
2% 10°C 0.003mm 86% 0cm 57° 12°C 0.04mm 0.2kPa 24134m 9.8m/s 7.4m/s
15:00
4% 9.6°C 0.007mm 86% 0cm 53° 12°C 0.02mm 0.19kPa 24135m 9.2m/s 6.1m/s
16:00
6% 9.1°C 0.01mm 87% 0cm 46° 11°C 0mm 0.17kPa 24135m 8.6m/s 4.9m/s
17:00
7% 8.5°C 0.007mm 84% 0cm 38° 11°C 0.02mm 0.21kPa 24135m 9m/s 5.2m/s
18:00
7% 7.8°C 0.003mm 81% 0cm 29° 11°C 0.04mm 0.25kPa 24135m 9.4m/s 5.6m/s
19:00
8% 7.1°C 0mm 78% 0cm 21° 11°C 0.06mm 0.29kPa 24135m 9.8m/s 5.9m/s
20:00
14% 7.1°C 0mm 79% 0cm 13° 11°C 0.04mm 0.27kPa 24135m 9.8m/s 6.2m/s
21:00
19% 7°C 0mm 80% 0cm 10°C 0.02mm 0.26kPa 24135m 9.8m/s 6.5m/s
22:00
25% 6.9°C 0mm 80% 0cm -1.6° 10°C 0mm 0.24kPa 24135m 9.7m/s 6.9m/s
23:00
23% 7.4°C 0mm 82% 0cm -7° 10°C 0mm 0.23kPa 24135m 8.7m/s 6m/s
Sat, Jun 13 Sunrise 04:38 Sunset 21:50
24:00
21% 7.9°C 0mm 83% 0cm -11° 11°C 0mm 0.22kPa 24135m 7.6m/s 5.2m/s
01:00
19% 8.3°C 0mm 84% 0cm -12° 11°C 0mm 0.2kPa 24135m 6.5m/s 4.4m/s
02:00
23% 8.4°C 0mm 84% 0cm -12° 11°C 0mm 0.22kPa 24135m 6.2m/s 4.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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