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Rule Fog Hunter

Coniston Water - Fog Hunter - Lake District

Coniston, England, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread1.0°C
Visibility15304 (Clear)
Relative Humidity94%
Wind Speed6.3m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London
fog weather icon
Next opportunity
Dense Fog at Dawn
Coniston Water
Sun, Jun 14 · 03:00–04:00 · 1h window
Medium confidence
62%
🌫️Fog Probability100%
Dewpoint Spread: 0.3°C
Visibility: 82 (Dense fog)
Relative Humidity: 98%
Wind Speed: 1.6m/s (calm conditions)
fog weather icon
Dense Fog at Sunrise
Coniston Water
Sun, Jun 14 · 04:00–05:00
🌫️Fog Probability: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%
Fri, Jun 5
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
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Sat, Jun 6
24:000%
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03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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23:000%
Sun, Jun 7
24:000%
01:0055%
02:0055%
03:0055%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
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Mon, Jun 8
24:000%
01:000%
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03:000%
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05:000%
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07:000%
08:000%
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Tue, Jun 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
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
Sat, Jun 6 Sunrise 04:41 Sunset 21:41
09:00
0% 8.6°C 0.69mm 94% 0cm 34° 9.6°C 1.1mm 0.08kPa 15304m 12m/s 6.3m/s
10:00
0% 8.8°C 0.31mm 94% 0cm 42° 9.8°C 1.8mm 0.08kPa 23183m 13m/s 7m/s
11:00
0% 9°C 0.04mm 94% 0cm 50° 10°C 1.9mm 0.08kPa 24135m 12m/s 6.9m/s
12:00
0% 9.7°C 0mm 94% 0cm 56° 11°C 1.9mm 0.08kPa 24134m 11m/s 6.1m/s
13:00
0% 10°C 0mm 92% 0cm 58° 12°C 1.9mm 0.11kPa 20910m 8.3m/s 4.8m/s
14:00
0% 11°C 0mm 87% 0cm 57° 13°C 0.06mm 0.2kPa 23353m 6.8m/s 4.6m/s
15:00
0% 11°C 0.01mm 86% 0cm 52° 13°C 0.19mm 0.21kPa 22269m 6.2m/s 4.4m/s
16:00
0% 11°C 0.06mm 86% 0cm 45° 13°C 0.31mm 0.21kPa 24135m 6.2m/s 3.8m/s
17:00
0% 11°C 0.03mm 89% 0cm 37° 13°C 0.44mm 0.17kPa 24134m 5.1m/s 2.8m/s
18:00
0% 11°C 0.01mm 90% 0cm 29° 13°C 0.44mm 0.14kPa 24134m 4.4m/s 2.6m/s
19:00
0% 11°C 0mm 90% 0cm 20° 12°C 0.44mm 0.14kPa 24134m 3.8m/s 2.5m/s
20:00
2% 11°C 0.01mm 90% 0cm 12° 12°C 0mm 0.14kPa 24134m 2.6m/s 2.1m/s
21:00
5% 11°C 0.03mm 90% 0cm 4.1° 12°C 0mm 0.14kPa 24135m 1.3m/s 1.3m/s
22:00
7% 11°C 0.06mm 91% 0cm -2.6° 12°C 0.06mm 0.12kPa 24135m 1.2m/s 1.2m/s
23:00
5% 11°C 0mm 93% 0cm -7.9° 12°C 0.13mm 0.1kPa 24134m 3.2m/s 1.9m/s
Sun, Jun 7 Sunrise 04:41 Sunset 21:41
24:00
3% 11°C 0mm 94% 0cm -11° 12°C 0.13mm 0.08kPa 24134m 3.9m/s 2.2m/s
01:00
1% 11°C 0.01mm 96% 0cm -13° 12°C 0.13mm 0.06kPa 24134m 6.3m/s 3m/s
02:00
1% 10°C 0mm 96% 0cm -12° 11°C 0mm 0.05kPa 24134m 7.5m/s 3.4m/s
03:00
0% 9.4°C 0mm 97% 0cm -9.4° 10°C 0mm 0.04kPa 24135m 6.5m/s 3.4m/s
04:00
0% 9.3°C 0mm 91% 0cm -4.7° 11°C 0mm 0.12kPa 24134m 8.6m/s 3.8m/s
05:00
0% 9.4°C 0mm 90% 0cm 1.7° 11°C 0mm 0.13kPa 24134m 9m/s 3.9m/s
06:00
0% 11°C 0mm 94% 0cm 8.7° 11°C 0mm 0.07kPa 24135m 9.6m/s 4.4m/s
07:00
0% 11°C 0.01mm 95% 0cm 17° 12°C 0.06mm 0.08kPa 11443m 11m/s 5.6m/s
08:00
0% 12°C 0mm 95% 0cm 25° 13°C 0.19mm 0.08kPa 11638m 11m/s 6.7m/s
09:00
0% 12°C 0mm 94% 0cm 34° 13°C 0.44mm 0.09kPa 12805m 12m/s 7.3m/s
10:00
0% 12°C 0mm 94% 0cm 43° 13°C 0.81mm 0.09kPa 18410m 13m/s 7.7m/s
11:00
0% 12°C 0mm 90% 0cm 50° 14°C 1.1mm 0.17kPa 22084m 13m/s 7.9m/s
12:00
0% 12°C 0mm 85% 0cm 56° 15°C 1.3mm 0.24kPa 24135m 13m/s 8.2m/s
13:00
0% 12°C 0mm 77% 0cm 58° 16°C 1.4mm 0.41kPa 24135m 14m/s 8.8m/s
14:00
0% 12°C 0mm 79% 0cm 57° 16°C 0.13mm 0.38kPa 20465m 14m/s 9m/s
15:00
0% 12°C 0.07mm 88% 0cm 52° 14°C 0.94mm 0.2kPa 9571m 14m/s 9.2m/s
16:00
0% 12°C 0.02mm 92% 0cm 45° 13°C 1.3mm 0.12kPa 23474m 14m/s 7.9m/s
17:00
0% 12°C 0.03mm 93% 0cm 37° 13°C 1.5mm 0.1kPa 24135m 13m/s 6m/s
18:00
0% 12°C 0mm 92% 0cm 29° 13°C 1.6mm 0.12kPa 21539m 13m/s 6.2m/s
19:00
0% 12°C 0mm 92% 0cm 20° 13°C 1.8mm 0.12kPa 19991m 12m/s 5.9m/s
20:00
1% 11°C 0mm 91% 0cm 12° 13°C 0.25mm 0.14kPa 24134m 12m/s 6m/s
21:00
1% 12°C 0.05mm 93% 0cm 4.2° 13°C 0.56mm 0.1kPa 12846m 12m/s 6.5m/s
22:00
2% 12°C 0.41mm 93% 0cm -2.5° 13°C 1.1mm 0.11kPa 10514m 11m/s 5.4m/s
23:00
1% 12°C 1.3mm 94% 0cm -7.8° 13°C 2.3mm 0.08kPa 6872m 11m/s 5.8m/s
Mon, Jun 8 Sunrise 04:40 Sunset 21:42
24:00
1% 12°C 1.4mm 98% 0cm -11° 12°C 4mm 0.04kPa 5167m 11m/s 5.5m/s
01:00
0% 12°C 0.87mm 98% 0cm -13° 12°C 5.7mm 0.02kPa 3524m 11m/s 5.5m/s
02:00
0% 12°C 1.1mm 98% 0cm -12° 12°C 1.2mm 0.04kPa 4140m 11m/s 6.7m/s
03:00
0% 12°C 2.3mm 98% 0cm -9.3° 12°C 3.6mm 0.03kPa 2974m 12m/s 6.9m/s
04:00
0% 11°C 0.44mm 96% 0cm -4.7° 12°C 5.1mm 0.06kPa 8245m 14m/s 7.8m/s
05:00
0% 11°C 1.1mm 95% 0cm 1.7° 12°C 5.9mm 0.07kPa 6247m 12m/s 7.5m/s
06:00
0% 11°C 0.76mm 96% 0cm 8.8° 12°C 6.9mm 0.06kPa 8495m 12m/s 6.9m/s
07:00
0% 11°C 1.2mm 96% 0cm 17° 12°C 8.2mm 0.05kPa 7106m 13m/s 7.8m/s
08:00
0% 11°C 6.7mm 98% 0cm 25° 12°C 4.4mm 0.03kPa 1783m 11m/s 6.7m/s
09:00
1% 9.1°C 0.01mm 92% 0cm 34° 10°C 6.2mm 0.1kPa 24135m 8.8m/s 4.6m/s
10:00
1% 9.1°C 0.71mm 88% 0cm 43° 11°C 6.4mm 0.15kPa 14732m 7.3m/s 5.5m/s
11:00
1% 8.3°C 0.14mm 93% 0cm 50° 9.4°C 6.9mm 0.08kPa 24135m 8.6m/s 5.3m/s
12:00
2% 7.7°C 0.45mm 93% 0cm 56° 8.8°C 7.3mm 0.08kPa 18728m 9.7m/s 5.6m/s
13:00
2% 7.7°C 0mm 85% 0cm 58° 10°C 7.4mm 0.19kPa 24135m 7.9m/s 5m/s
14:00
17% 6.3°C 0mm 65% 0cm 57° 13°C 0.06mm 0.51kPa 24134m 8.2m/s 6.1m/s
15:00
33% 5.8°C 0.01mm 60% 0cm 53° 13°C 0.06mm 0.61kPa 24135m 9.1m/s 6.5m/s
16:00
48% 7.1°C 0mm 66% 0cm 46° 13°C 0.13mm 0.52kPa 24134m 8.9m/s 6.6m/s
17:00
49% 8.2°C 0mm 75% 0cm 37° 12°C 0.31mm 0.35kPa 19484m 8.7m/s 7m/s
18:00
50% 8°C 0mm 76% 0cm 29° 12°C 0.44mm 0.34kPa 24122m 8.5m/s 6.4m/s
19:00
51% 7.8°C 0mm 76% 0cm 20° 12°C 0.5mm 0.33kPa 24135m 8.8m/s 5.8m/s
20:00
51% 7.3°C 0.08mm 82% 0cm 12° 10°C 1.3mm 0.22kPa 21465m 9.2m/s 5.5m/s
21:00
52% 6.6°C 0.16mm 88% 0cm 4.3° 8.4°C 2.1mm 0.13kPa 18795m 9.5m/s 5.2m/s
22:00
52% 5.8°C 0.24mm 94% 0cm -2.4° 6.7°C 2.9mm 0.06kPa 16125m 9.8m/s 4.9m/s
23:00
46% 5.7°C 0.21mm 93% 0cm -7.7° 6.7°C 3.1mm 0.07kPa 18795m 9.8m/s 4.8m/s
Tue, Jun 9 Sunrise 04:40 Sunset 21:43
24:00
41% 5.5°C 0.18mm 92% 0cm -11° 6.7°C 3.2mm 0.08kPa 21465m 9.7m/s 4.7m/s
01:00
35% 5.4°C 0.15mm 91% 0cm -13° 6.7°C 3.4mm 0.08kPa 24135m 9.7m/s 4.7m/s
02:00
29% 5.4°C 0.12mm 92% 0cm -12° 6.7°C 2.5mm 0.08kPa 24135m 10m/s 5.7m/s
03:00
24% 5.3°C 0.1mm 92% 0cm -9.2° 6.6°C 1.7mm 0.08kPa 24135m 11m/s 6.6m/s
04:00
18% 5.3°C 0.07mm 92% 0cm -4.6° 6.6°C 0.81mm 0.08kPa 24135m 11m/s 7.6m/s
05:00
15% 5.6°C 0.1mm 88% 0cm 1.8° 7.4°C 1.1mm 0.12kPa 23492m 12m/s 8.2m/s
06:00
11% 5.8°C 0.13mm 84% 0cm 8.8° 8.3°C 1.5mm 0.17kPa 22849m 12m/s 8.7m/s
07:00
8% 6°C 0.16mm 80% 0cm 17° 9.2°C 1.8mm 0.23kPa 22205m 12m/s 9.3m/s
08:00
11% 6.3°C 0.14mm 84% 0cm 25° 8.8°C 1.7mm 0.18kPa 20584m 12m/s 8.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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