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Rule Fog Hunter

Fog Hunter Forecast for Shetland Islands, Scotland

Lerwick, Scotland, United Kingdom

Shetland pairs rugged sea stacks, cliffs and sheltered voes with treeless moorland, while seabird colonies provide a major subject in spring and summer.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread3.2°C
Visibility23696 (Clear)
Relative Humidity80%
Wind Speed7.4m/s (moderate winds)

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 (92-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Scotland. The requirements and hourly values below show how those signals apply at Shetland Islands.

Explore Fog Hunter conditions across Scotland →

Recorded match history

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

Last 30 days
0
recorded matching windows
Last 90 days
7
recorded matching windows · 81% average confidence
Last 365 days
7
recorded matching windows · 81% average confidence

Only 7 completed matches are recorded in the last 365 days—insufficient history to identify a reliable typical start time or month.

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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92-hour requirements breakdown

When available, the detailed table below covers only the stated 92-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 92 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/London
Fog Probability
≥ 75.0%
Sat, Jul 25
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, Jul 26
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, Jul 27
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, Jul 28
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%
Wed, Jul 29
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
Sun, Jul 26 Sunrise 04:30 Sunset 21:50
03:00 ☾
4% 7°C 0.01mm 80% 0cm -7.3° 10°C 0.38mm 0.24kPa 23696m 11m/s 7.4m/s
04:00 ☾
6% 6.9°C 0.01mm 80% 0cm -3.3° 10°C 0.56mm 0.24kPa 24096m 9.9m/s 6.9m/s
05:00
4% 6.9°C 0mm 80% 0cm 2.3° 10°C 0.81mm 0.25kPa 22306m 10m/s 6.9m/s
06:00
3% 6.4°C 0mm 77% 0cm 8.4° 10°C 0.94mm 0.28kPa 24134m 10m/s 7.5m/s
07:00
1% 6.9°C 0.01mm 79% 0cm 15° 10°C 1mm 0.26kPa 24134m 11m/s 7.9m/s
08:00
1% 7.1°C 0.01mm 79% 0cm 23° 11°C 0.19mm 0.27kPa 24134m 11m/s 8.2m/s
09:00
0% 7.3°C 0.01mm 79% 0cm 30° 11°C 0.31mm 0.27kPa 20700m 11m/s 8.2m/s
10:00
0% 7.6°C 0mm 80% 0cm 37° 11°C 0.56mm 0.27kPa 18565m 11m/s 8.3m/s
11:00
0% 7.7°C 0mm 79% 0cm 43° 11°C 0.81mm 0.28kPa 23627m 11m/s 8.4m/s
12:00
1% 7.8°C 0mm 77% 0cm 47° 12°C 1mm 0.31kPa 23548m 11m/s 8.7m/s
13:00
1% 7.8°C 0mm 75% 0cm 49° 12°C 1.2mm 0.34kPa 23570m 12m/s 9.3m/s
14:00
5% 8°C 0mm 75% 0cm 48° 12°C 0.19mm 0.36kPa 24134m 12m/s 9.2m/s
15:00
10% 8.1°C 0mm 75% 0cm 45° 12°C 0.38mm 0.37kPa 23296m 12m/s 9.9m/s
16:00
14% 8.1°C 0mm 75% 0cm 39° 12°C 0.5mm 0.36kPa 19493m 12m/s 10m/s
17:00
12% 8°C 0mm 78% 0cm 33° 12°C 0.63mm 0.31kPa 24135m 12m/s 9.5m/s
18:00
9% 8.3°C 0mm 78% 0cm 26° 12°C 0.69mm 0.31kPa 23470m 12m/s 9.5m/s
19:00
7% 8.6°C 0mm 81% 0cm 18° 12°C 0.88mm 0.26kPa 21303m 12m/s 8.9m/s
20:00
6% 8.6°C 0mm 83% 0cm 11° 11°C 0.13mm 0.22kPa 24135m 12m/s 8.6m/s
21:00
4% 8.7°C 0mm 85% 0cm 4.3° 11°C 0.31mm 0.2kPa 23776m 12m/s 8.5m/s
22:00 ☾
3% 8.6°C 0mm 85% 0cm -1.5° 11°C 0.44mm 0.2kPa 24135m 12m/s 8.7m/s
23:00 ☾
3% 8.5°C 0mm 86% 0cm -6.2° 11°C 0.56mm 0.19kPa 24135m 12m/s 8.1m/s
Mon, Jul 27 Sunrise 04:30 Sunset 21:50
24:00 ☾
2% 8.6°C 0mm 86% 0cm -9.2° 11°C 0.69mm 0.19kPa 23669m 12m/s 8m/s
01:00 ☾
2% 8.3°C 0mm 84% 0cm -11° 11°C 0.88mm 0.21kPa 24135m 12m/s 8.4m/s
02:00 ☾
3% 7.3°C 0mm 80% 0cm -10° 11°C 0.06mm 0.26kPa 24135m 12m/s 8.7m/s
03:00 ☾
5% 7.5°C 0.01mm 83% 0cm -7.6° 10°C 0.13mm 0.21kPa 24135m 12m/s 8.6m/s
04:00 ☾
6% 7.4°C 0.02mm 82% 0cm -3.5° 10°C 0.19mm 0.22kPa 24134m 12m/s 8.1m/s
05:00
4% 7.1°C 0.04mm 81% 0cm 2.1° 10°C 0.25mm 0.24kPa 24135m 11m/s 8m/s
06:00
2% 6.8°C 0.04mm 79% 0cm 8.3° 10°C 0.31mm 0.26kPa 24134m 12m/s 8.1m/s
07:00
0% 6.5°C 0.03mm 77% 0cm 15° 10°C 0.38mm 0.29kPa 24135m 11m/s 7.5m/s
08:00
2% 5.9°C 0mm 71% 0cm 23° 11°C 0mm 0.37kPa 24134m 10m/s 7.3m/s
09:00
3% 6.4°C 0mm 73% 0cm 30° 11°C 0mm 0.36kPa 24135m 9.3m/s 6.8m/s
10:00
5% 6.6°C 0mm 69% 0cm 37° 12°C 0.06mm 0.45kPa 24135m 9.7m/s 7.5m/s
11:00
6% 6.5°C 0mm 66% 0cm 43° 13°C 0.06mm 0.5kPa 24134m 11m/s 8.6m/s
12:00
7% 6.6°C 0mm 65% 0cm 47° 13°C 0.06mm 0.53kPa 24134m 11m/s 8.6m/s
13:00
8% 7.4°C 0mm 67% 0cm 49° 13°C 0.13mm 0.5kPa 24135m 12m/s 8.8m/s
14:00
31% 7.5°C 0mm 67% 0cm 48° 13°C 0mm 0.51kPa 24134m 13m/s 9.3m/s
15:00
53% 7.3°C 0.01mm 66% 0cm 45° 13°C 0mm 0.52kPa 24135m 13m/s 9.3m/s
16:00
76% 7.6°C 0mm 68% 0cm 39° 13°C 0mm 0.48kPa 24134m 13m/s 9.3m/s
17:00
77% 7.7°C 0mm 70% 0cm 33° 13°C 0.06mm 0.44kPa 24135m 13m/s 8.9m/s
18:00
77% 7.9°C 0mm 72% 0cm 25° 13°C 0.06mm 0.41kPa 24134m 12m/s 8.4m/s
19:00
78% 7.9°C 0mm 74% 0cm 18° 12°C 0.06mm 0.37kPa 24134m 11m/s 7.6m/s
20:00
73% 7.5°C 0mm 75% 0cm 11° 12°C 0mm 0.34kPa 24134m 10m/s 7m/s
21:00
67% 7.3°C 0mm 78% 0cm 4.1° 11°C 0mm 0.29kPa 24134m 10m/s 6.6m/s
22:00 ☾
62% 7.3°C 0mm 80% 0cm -1.7° 11°C 0mm 0.25kPa 24134m 9.7m/s 6.5m/s
23:00 ☾
52% 7.3°C 0mm 79% 0cm -6.4° 11°C 0mm 0.28kPa 24134m 9.4m/s 6.4m/s
Tue, Jul 28 Sunrise 04:32 Sunset 21:47
24:00 ☾
43% 7°C 0mm 75% 0cm -9.5° 11°C 0mm 0.33kPa 24134m 9m/s 6.6m/s
01:00 ☾
33% 6.9°C 0mm 74% 0cm -11° 11°C 0mm 0.34kPa 24135m 8.8m/s 6.4m/s
02:00 ☾
26% 6.9°C 0mm 76% 0cm -10° 11°C 0mm 0.32kPa 24134m 8.7m/s 6m/s
03:00 ☾
20% 7.1°C 0mm 80% 0cm -7.8° 10°C 0mm 0.26kPa 24134m 8m/s 5.1m/s
04:00 ☾
13% 7.1°C 0mm 83% 0cm -3.7° 9.8°C 0mm 0.21kPa 24135m 7.1m/s 4m/s
05:00
10% 7.1°C 0mm 85% 0cm 1.9° 9.5°C 0mm 0.18kPa 24134m 6.2m/s 3.4m/s
06:00
8% 7.4°C 0mm 83% 0cm 8.1° 10°C 0mm 0.21kPa 24135m 5.5m/s 2.8m/s
07:00
5% 7.5°C 0mm 78% 0cm 15° 11°C 0mm 0.29kPa 24135m 5.1m/s 2.9m/s
08:00
5% 7.2°C 0mm 73% 0cm 22° 12°C 0mm 0.38kPa 24134m 4.1m/s 2.8m/s
09:00
4% 7°C 0mm 68% 0cm 30° 13°C 0mm 0.48kPa 24134m 4m/s 2.8m/s
10:00
4% 7.2°C 0mm 65% 0cm 37° 14°C 0mm 0.56kPa 24134m 3.8m/s 3.1m/s
11:00
4% 7.7°C 0mm 65% 0cm 43° 14°C 0mm 0.57kPa 24135m 4.1m/s 3.7m/s
12:00
3% 8.4°C 0mm 67% 0cm 47° 15°C 0mm 0.55kPa 24135m 4.9m/s 4.4m/s
13:00
3% 9°C 0mm 69% 0cm 49° 15°C 0mm 0.52kPa 24135m 5.3m/s 4.5m/s
14:00
3% 10°C 0.007mm 77% 0cm 48° 14°C 0.13mm 0.37kPa 24135m 7.5m/s 5.4m/s
15:00
4% 12°C 0.01mm 86% 0cm 44° 14°C 0.25mm 0.23kPa 24135m 9.6m/s 6.3m/s
16:00
4% 13°C 0.02mm 94% 0cm 39° 14°C 0.38mm 0.09kPa 24135m 12m/s 7.2m/s
17:00
3% 13°C 0.02mm 93% 0cm 32° 14°C 0.38mm 0.11kPa 24135m 12m/s 7.4m/s
18:00
2% 13°C 0.01mm 91% 0cm 25° 14°C 0.38mm 0.14kPa 24135m 13m/s 7.7m/s
19:00
1% 13°C 0.01mm 90% 0cm 18° 14°C 0.38mm 0.17kPa 24135m 14m/s 7.9m/s
20:00
1% 13°C 0.007mm 89% 0cm 10° 14°C 0.25mm 0.19kPa 24135m 14m/s 8.3m/s
21:00
2% 12°C 0.003mm 87% 0cm 3.9° 15°C 0.13mm 0.21kPa 24135m 14m/s 8.7m/s
22:00 ☾
2% 12°C 0mm 86% 0cm -2° 15°C 0mm 0.23kPa 24135m 14m/s 9.1m/s
23:00 ☾
1% 12°C 0.003mm 87% 0cm -6.6° 14°C 0.02mm 0.21kPa 24135m 14m/s 8.6m/s
Wed, Jul 29 Sunrise 04:35 Sunset 21:45
24:00 ☾
1% 12°C 0.007mm 88% 0cm -9.7° 14°C 0.04mm 0.19kPa 24135m 13m/s 8m/s
01:00 ☾
0% 12°C 0.01mm 89% 0cm -11° 14°C 0.06mm 0.17kPa 24135m 13m/s 7.5m/s
02:00 ☾
0% 12°C 0.007mm 89% 0cm -10° 14°C 0.04mm 0.17kPa 24135m 12m/s 7m/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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