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Rule Fog Hunter

Fog Hunter Forecast for London, London & Southeast England

London, England, United Kingdom

London's Thames bends connect Tower Bridge, historic riverfronts, the Shard, and modern towers, with bridges providing elevated leading lines.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread12.3°C
Visibility24135 (Clear)
Relative Humidity45%
Wind Speed3.1m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (85-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across London & Southeast England. The requirements and hourly values below show how those signals apply at London.

Explore Fog Hunter conditions across London & Southeast England →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at London during the last 365 days.

Last 30 days
0
recorded matching windows
Last 90 days
0
recorded matching windows
Last 365 days
0
recorded matching windows

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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85-hour requirements breakdown

When available, the detailed table below covers only the stated 85-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
0matching hours in the next 85 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/London
Fog Probability
≥ 75.0%
Sat, Aug 22
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%
22:000%
23:000%
Sun, Aug 23
24:000%
01:000%
02:000%
03:000%
04:000%
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%
22:000%
23:000%
Mon, Aug 24
24:000%
01:000%
02:000%
03:000%
04:000%
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%
22:000%
23:000%
Tue, Aug 25
24:000%
01:000%
02:000%
03:000%
04:000%
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%
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, Aug 22 Sunrise 05:57 Sunset 20:08
21:00 ☾
20% 6.7°C 0mm 45% 0cm -8° 19°C 0mm 1.2kPa 24135m 5m/s 3.1m/s
22:00 ☾
13% 6.4°C 0mm 43% 0cm -16° 19°C 0mm 1.3kPa 24135m 4.3m/s 2.4m/s
23:00 ☾
14% 6.9°C 0mm 46% 0cm -22° 19°C 0mm 1.1kPa 24134m 3.4m/s 2.3m/s
Sun, Aug 23 Sunrise 05:57 Sunset 20:08
24:00 ☾
15% 7.9°C 0mm 54% 0cm -25° 17°C 0mm 0.9kPa 24134m 4m/s 2.6m/s
01:00 ☾
16% 8.5°C 0mm 60% 0cm -27° 16°C 0mm 0.74kPa 24134m 4.6m/s 2.9m/s
02:00 ☾
23% 8.6°C 0mm 62% 0cm -26° 16°C 0mm 0.67kPa 24134m 4.7m/s 2.6m/s
03:00 ☾
29% 8.4°C 0mm 63% 0cm -22° 15°C 0mm 0.65kPa 24134m 3.8m/s 2m/s
04:00 ☾
36% 8.3°C 0mm 64% 0cm -16° 15°C 0mm 0.63kPa 24134m 2.6m/s 1.3m/s
05:00 ☾
38% 8.3°C 0mm 64% 0cm -9° 15°C 0mm 0.62kPa 24134m 1.6m/s 0.89m/s
06:00
39% 8.3°C 0mm 65% 0cm -0.11° 15°C 0mm 0.59kPa 24135m 1.3m/s 0.82m/s
07:00
41% 8.2°C 0mm 64% 0cm 8.5° 15°C 0mm 0.62kPa 24135m 1.3m/s 0.81m/s
08:00
51% 8°C 0mm 59% 0cm 18° 16°C 0mm 0.76kPa 24135m 0.7m/s 0.57m/s
09:00
60% 8°C 0mm 53% 0cm 27° 18°C 0mm 0.94kPa 24134m 0.53m/s 0.25m/s
10:00
70% 7.8°C 0mm 48% 0cm 35° 19°C 0mm 1.1kPa 24134m 0.32m/s 0.38m/s
11:00
72% 7.5°C 0mm 43% 0cm 43° 21°C 0mm 1.4kPa 24134m 0.62m/s 0.57m/s
12:00
73% 6.9°C 0mm 38% 0cm 48° 22°C 0mm 1.6kPa 24135m 0.93m/s 0.73m/s
13:00
75% 6.3°C 0mm 35% 0cm 50° 23°C 0mm 1.8kPa 24135m 1.3m/s 1.2m/s
14:00
75% 5.7°C 0mm 32% 0cm 48° 23°C 0mm 1.9kPa 24135m 1.5m/s 1.4m/s
15:00
74% 5°C 0mm 30% 0cm 43° 24°C 0mm 2.1kPa 24134m 1.8m/s 1.3m/s
16:00
74% 4.5°C 0mm 28% 0cm 36° 24°C 0mm 2.1kPa 24135m 2.1m/s 1.2m/s
17:00
74% 4.2°C 0mm 27% 0cm 28° 24°C 0mm 2.2kPa 24135m 2.3m/s 1.1m/s
18:00
74% 4°C 0mm 27% 0cm 19° 24°C 0mm 2.1kPa 24134m 2.5m/s 1.4m/s
19:00
74% 4.4°C 0mm 29% 0cm 9.4° 23°C 0mm 2kPa 24135m 1.8m/s 2.6m/s
20:00
74% 7.1°C 0mm 41% 0cm 0.6° 21°C 0mm 1.4kPa 24134m 5.5m/s 3.9m/s
21:00 ☾
75% 7.4°C 0mm 45% 0cm -8.3° 20°C 0mm 1.2kPa 24134m 5.4m/s 3.2m/s
22:00 ☾
75% 7.4°C 0mm 49% 0cm -16° 18°C 0mm 1.1kPa 24134m 5.5m/s 3.9m/s
23:00 ☾
74% 8.1°C 0mm 54% 0cm -22° 17°C 0mm 0.91kPa 24134m 6.3m/s 3.4m/s
Mon, Aug 24 Sunrise 05:58 Sunset 20:06
24:00 ☾
74% 8.7°C 0mm 57% 0cm -26° 17°C 0mm 0.84kPa 24134m 6.5m/s 2.9m/s
01:00 ☾
73% 9°C 0mm 60% 0cm -27° 17°C 0mm 0.77kPa 24134m 7.3m/s 2.7m/s
02:00 ☾
72% 9.4°C 0mm 62% 0cm -26° 17°C 0mm 0.72kPa 24134m 7.1m/s 2.3m/s
03:00 ☾
70% 9.6°C 0mm 64% 0cm -22° 16°C 0mm 0.68kPa 24134m 7.4m/s 2.5m/s
04:00 ☾
69% 9.5°C 0mm 65% 0cm -17° 16°C 0mm 0.64kPa 24135m 7.5m/s 2.5m/s
05:00 ☾
69% 9.5°C 0mm 66% 0cm -9.3° 16°C 0mm 0.6kPa 24134m 8.1m/s 2.8m/s
06:00 ☾
68% 9.5°C 0mm 68% 0cm -0.48° 15°C 0mm 0.57kPa 24134m 8.5m/s 3m/s
07:00
68% 9.3°C 0mm 66% 0cm 8.3° 16°C 0mm 0.6kPa 24134m 9.2m/s 3.6m/s
08:00
56% 9.1°C 0mm 61% 0cm 18° 17°C 0mm 0.72kPa 24134m 8.7m/s 4.2m/s
09:00
44% 9.4°C 0mm 58% 0cm 27° 18°C 0mm 0.87kPa 24135m 7.8m/s 4.7m/s
10:00
32% 8.9°C 0mm 51% 0cm 35° 19°C 0mm 1.1kPa 24135m 7.6m/s 5.1m/s
11:00
28% 8.5°C 0mm 47% 0cm 42° 20°C 0mm 1.3kPa 24134m 7.8m/s 5.8m/s
12:00
23% 8°C 0mm 44% 0cm 48° 21°C 0mm 1.4kPa 24134m 7.8m/s 6m/s
13:00
19% 8°C 0mm 44% 0cm 49° 20°C 0mm 1.3kPa 24134m 7.9m/s 6m/s
14:00
16% 7.8°C 0mm 43% 0cm 48° 21°C 0mm 1.4kPa 24134m 8m/s 6m/s
15:00
13% 8.1°C 0mm 44% 0cm 43° 21°C 0mm 1.4kPa 24135m 8.1m/s 6.2m/s
16:00
10% 8.1°C 0mm 43% 0cm 36° 21°C 0mm 1.4kPa 24134m 8.3m/s 6.1m/s
17:00
8% 8.5°C 0mm 45% 0cm 27° 21°C 0mm 1.3kPa 24135m 8.7m/s 6.5m/s
18:00
7% 8.9°C 0mm 48% 0cm 18° 20°C 0mm 1.2kPa 24134m 8.6m/s 6.1m/s
19:00
5% 9.8°C 0mm 53% 0cm 9.1° 20°C 0mm 1.1kPa 24135m 8.6m/s 5.1m/s
20:00
12% 11°C 0mm 61% 0cm 0.33° 19°C 0mm 0.84kPa 24134m 9.4m/s 4.7m/s
21:00 ☾
20% 12°C 0mm 66% 0cm -8.7° 18°C 0mm 0.71kPa 24134m 11m/s 5.2m/s
22:00 ☾
27% 13°C 0mm 72% 0cm -16° 18°C 0mm 0.56kPa 24134m 12m/s 5.3m/s
23:00 ☾
20% 13°C 0mm 74% 0cm -22° 17°C 0mm 0.5kPa 24135m 12m/s 5.3m/s
Tue, Aug 25 Sunrise 06:00 Sunset 20:04
24:00 ☾
12% 13°C 0mm 74% 0cm -26° 17°C 0mm 0.5kPa 24134m 12m/s 4.9m/s
01:00 ☾
5% 13°C 0mm 78% 0cm -28° 17°C 0mm 0.42kPa 24134m 12m/s 5m/s
02:00 ☾
6% 13°C 0mm 68% 0cm -26° 19°C 0mm 0.68kPa 24134m 11m/s 5.3m/s
03:00 ☾
7% 12°C 0mm 58% 0cm -23° 20°C 0mm 0.98kPa 24134m 10m/s 5.6m/s
04:00 ☾
8% 10°C 0mm 48% 0cm -17° 22°C 0mm 1.3kPa 24135m 8.9m/s 5.9m/s
05:00 ☾
8% 9.4°C 0mm 43% 0cm -9.5° 23°C 0mm 1.6kPa 24135m 8.4m/s 5.9m/s
06:00 ☾
8% 8.4°C 0mm 37% 0cm -0.8° 24°C 0mm 1.9kPa 24135m 7.9m/s 5.8m/s
07:00
8% 7.1°C 0mm 32% 0cm 8.1° 25°C 0mm 2.2kPa 24135m 7.3m/s 5.8m/s
08:00
8% 7.7°C 0mm 34% 0cm 17° 24°C 0mm 2kPa 24135m 7.1m/s 5.6m/s
09:00
9% 8.3°C 0mm 37% 0cm 26° 24°C 0mm 1.9kPa 24135m 6.9m/s 5.4m/s
10:00
9% 8.8°C 0mm 40% 0cm 35° 23°C 0mm 1.7kPa 24135m 6.6m/s 5.2m/s
11:00
9% 9.3°C 0mm 42% 0cm 42° 23°C 0mm 1.6kPa 24135m 6.7m/s 4.8m/s
12:00
10% 9.7°C 0mm 45% 0cm 47° 22°C 0mm 1.5kPa 24135m 6.8m/s 4.4m/s
13:00
10% 10°C 0mm 47% 0cm 49° 22°C 0mm 1.4kPa 24135m 6.8m/s 4m/s
14:00
9% 11°C 0.003mm 52% 0cm 47° 21°C 0mm 1.2kPa 24135m 6.9m/s 3.8m/s
15:00
8% 12°C 0.007mm 57% 0cm 43° 21°C 0mm 1kPa 24135m 6.9m/s 3.6m/s
16:00
7% 13°C 0.01mm 63% 0cm 36° 20°C 0mm 0.88kPa 24135m 6.9m/s 3.5m/s
17:00
7% 14°C 0.007mm 69% 0cm 27° 20°C 0.23mm 0.7kPa 24135m 5.1m/s 2.7m/s
18:00
6% 15°C 0.003mm 76% 0cm 18° 19°C 0.46mm 0.53kPa 24135m 3.3m/s 1.9m/s
19:00
6% 15°C 0mm 82% 0cm 8.7° 18°C 0.69mm 0.38kPa 24135m 1.5m/s 1.1m/s
20:00
6% 16°C 0mm 84% 0cm 0.07° 18°C 0.5mm 0.33kPa 24135m 1.5m/s 1.1m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

How opportunities work → Weather data sources →
Forecast generated

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