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Rule Fog Hunter

Fog Hunter Forecast for Cairngorms, Scotland

Aviemore, Scotland, United Kingdom

Cairngorms compositions range from granite plateaus and Scots pine forest to lochs and broad glens, often simplified by winter snow or low cloud.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread0.9°C
Visibility14756 (Clear)
Relative Humidity94%
Wind Speed1.2m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London
fog weather icon
Next opportunity
Misty Conditions
Cairngorms
Wed, Jul 29 · 24:00–02:00 · 2h window
Medium confidence
51%
🌫️Fog Probability77.1-98.5%
Dewpoint Spread: 0.3°C
Visibility: 1582 (Mist/Haze)
Relative Humidity: 98%
Wind Speed: 2.4m/s (calm conditions)

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 Cairngorms.

Explore Fog Hunter conditions across Scotland →

Recorded match history

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

Last 30 days
14
recorded matching windows · 82% average confidence
Last 90 days
14
recorded matching windows · 82% average confidence
Last 365 days
14
recorded matching windows · 82% average confidence
Most frequent recorded start hour

03:00 local time, shared by 3 of 14 matches recorded in the last 365 days.

Most represented month

July, with 11 of 14 matches recorded in the last 365 days.

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
2matching hours in the next 92 hoursJump to next match
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%
05:0030%
06:0030%
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%
09:0044%
10:0026%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:0027%
20:0030%
21:0071%
22:0073%
23:0071%
Wed, Jul 29
24:0077%
01:0099%
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 05:01 Sunset 21:40
03:00 ☾
1% 8.5°C 0.49mm 94% 0cm -11° 9.4°C 2.8mm 0.07kPa 14756m 1.8m/s 1.2m/s
04:00 ☾
0% 8.6°C 0.42mm 96% 0cm -6.5° 9.3°C 3.9mm 0.05kPa 24135m 2.2m/s 1.3m/s
05:00 ☾
0% 8.7°C 0mm 95% 0cm -0.61° 9.5°C 4.1mm 0.06kPa 24135m 2.6m/s 1.4m/s
06:00
0% 8.6°C 0mm 93% 0cm 5.9° 9.7°C 4.1mm 0.08kPa 24135m 1.9m/s 1.3m/s
07:00
0% 8.9°C 0.57mm 93% 0cm 13° 9.9°C 4.3mm 0.08kPa 14786m 1.3m/s 0.93m/s
08:00
0% 9.1°C 0.34mm 96% 0cm 21° 9.7°C 1.1mm 0.05kPa 19804m 0.6m/s 0.34m/s
09:00
0% 9.3°C 0.04mm 95% 0cm 29° 10°C 1.1mm 0.06kPa 24135m 1.7m/s 1m/s
10:00
0% 9.3°C 0.03mm 94% 0cm 37° 10°C 1.2mm 0.08kPa 24135m 1.7m/s 0.93m/s
11:00
0% 9.5°C 0.02mm 92% 0cm 44° 11°C 1.3mm 0.1kPa 24134m 1.7m/s 1m/s
12:00
0% 9.8°C 0mm 91% 0cm 49° 11°C 1.4mm 0.12kPa 24134m 2.1m/s 1.1m/s
13:00
0% 9.9°C 0mm 88% 0cm 52° 12°C 1.6mm 0.17kPa 19699m 2m/s 0.95m/s
14:00
1% 10°C 0.01mm 85% 0cm 52° 13°C 0.5mm 0.22kPa 11942m 3.3m/s 2.1m/s
15:00
1% 10°C 0.08mm 93% 0cm 48° 11°C 1mm 0.09kPa 15788m 3.4m/s 1.7m/s
16:00
2% 10°C 0.02mm 93% 0cm 42° 11°C 1.3mm 0.09kPa 21508m 1.2m/s 0.67m/s
17:00
3% 10°C 0mm 89% 0cm 35° 12°C 1.4mm 0.15kPa 24135m 2.3m/s 1m/s
18:00
4% 10°C 0mm 87% 0cm 27° 12°C 1.6mm 0.18kPa 21169m 4.4m/s 1.6m/s
19:00
5% 9.7°C 0mm 90% 0cm 19° 11°C 1.8mm 0.13kPa 17959m 3.2m/s 1.6m/s
20:00
26% 9.4°C 0.04mm 92% 0cm 11° 11°C 0.13mm 0.11kPa 24134m 2.3m/s 1.3m/s
21:00
48% 9.2°C 0mm 92% 0cm 3.9° 10°C 0.19mm 0.1kPa 24134m 0.8m/s 0.67m/s
22:00 ☾
69% 9°C 0mm 92% 0cm -2.6° 10°C 0.25mm 0.1kPa 24135m 0.42m/s 0.43m/s
23:00 ☾
73% 8.9°C 0mm 92% 0cm -8° 10°C 0.38mm 0.1kPa 18453m 0.31m/s 0.26m/s
Mon, Jul 27 Sunrise 05:01 Sunset 21:40
24:00 ☾
77% 8.8°C 0mm 91% 0cm -12° 10°C 0.56mm 0.11kPa 17211m 0.31m/s 0.29m/s
01:00 ☾
81% 8.8°C 0mm 92% 0cm -13° 10°C 0.69mm 0.1kPa 15415m 0.44m/s 0.36m/s
02:00 ☾
55% 8.9°C 0mm 92% 0cm -13° 10°C 0.19mm 0.09kPa 16222m 0.4m/s 0.42m/s
03:00 ☾
30% 9.1°C 0mm 93% 0cm -11° 10°C 0.38mm 0.09kPa 15930m 0.9m/s 0.9m/s
04:00 ☾
4% 9.3°C 0.01mm 94% 0cm -6.7° 10°C 0.5mm 0.07kPa 19225m 2.3m/s 1.6m/s
05:00 ☾
3% 9.4°C 0mm 95% 0cm -0.87° 10°C 0.75mm 0.06kPa 24134m 2.8m/s 1.7m/s
06:00
1% 9.4°C 0mm 95% 0cm 5.7° 10°C 0.75mm 0.06kPa 24134m 4.2m/s 2.1m/s
07:00
0% 9.5°C 0.05mm 95% 0cm 13° 10°C 0.88mm 0.06kPa 23536m 5.2m/s 2.3m/s
08:00
0% 9.6°C 0mm 94% 0cm 21° 11°C 0.13mm 0.08kPa 21600m 7.4m/s 2.9m/s
09:00
0% 9.9°C 0mm 86% 0cm 29° 12°C 0.31mm 0.21kPa 24135m 8.7m/s 3.8m/s
10:00
0% 8.9°C 0mm 75% 0cm 37° 13°C 0.44mm 0.39kPa 24135m 8.9m/s 5.1m/s
11:00
0% 8.6°C 0mm 76% 0cm 44° 13°C 0.5mm 0.36kPa 24134m 8.4m/s 4.3m/s
12:00
0% 7.5°C 0mm 62% 0cm 49° 15°C 0.56mm 0.64kPa 24135m 8.7m/s 5.3m/s
13:00
0% 7.4°C 0mm 64% 0cm 52° 14°C 0.56mm 0.57kPa 24134m 8.4m/s 5m/s
14:00
1% 7.4°C 0mm 62% 0cm 51° 15°C 0mm 0.64kPa 24135m 8.3m/s 5.1m/s
15:00
1% 7.6°C 0mm 63% 0cm 48° 15°C 0.06mm 0.62kPa 24135m 7.7m/s 5m/s
16:00
2% 7.5°C 0mm 61% 0cm 42° 15°C 0.06mm 0.67kPa 24134m 7.4m/s 5m/s
17:00
2% 7.7°C 0mm 63% 0cm 35° 15°C 0.06mm 0.62kPa 24135m 6.9m/s 4.4m/s
18:00
1% 7.8°C 0mm 64% 0cm 27° 15°C 0.06mm 0.61kPa 24134m 6.6m/s 4m/s
19:00
1% 8.2°C 0mm 66% 0cm 19° 15°C 0.13mm 0.57kPa 24135m 5.7m/s 3m/s
20:00
1% 8.7°C 0mm 70% 0cm 11° 14°C 0mm 0.48kPa 24134m 4.7m/s 2.3m/s
21:00
1% 8.8°C 0mm 80% 0cm 3.8° 12°C 0mm 0.28kPa 24134m 1.7m/s 1.7m/s
22:00 ☾
1% 8.6°C 0mm 87% 0cm -2.8° 11°C 0mm 0.17kPa 24134m 1.8m/s 1.9m/s
23:00 ☾
1% 8.6°C 0mm 89% 0cm -8.2° 10°C 0mm 0.13kPa 24135m 1.9m/s 2m/s
Tue, Jul 28 Sunrise 05:03 Sunset 21:38
24:00 ☾
0% 8.8°C 0mm 84% 0cm -12° 11°C 0mm 0.22kPa 24135m 3.3m/s 1.9m/s
01:00 ☾
0% 9°C 0mm 86% 0cm -14° 11°C 0mm 0.19kPa 24135m 2.2m/s 1.8m/s
02:00 ☾
0% 9.2°C 0mm 85% 0cm -13° 12°C 0mm 0.2kPa 24134m 2.4m/s 1.7m/s
03:00 ☾
0% 9.5°C 0.04mm 86% 0cm -11° 12°C 0mm 0.19kPa 24134m 2.1m/s 1.4m/s
04:00 ☾
0% 9.7°C 0mm 87% 0cm -6.9° 12°C 0.06mm 0.18kPa 24135m 2.8m/s 1.7m/s
05:00 ☾
0% 10°C 0.24mm 89% 0cm -1.1° 12°C 0.19mm 0.15kPa 23417m 2.9m/s 1.6m/s
06:00
0% 10°C 0.18mm 91% 0cm 5.6° 12°C 0.25mm 0.13kPa 24135m 3.1m/s 1.6m/s
07:00
0% 11°C 0.07mm 94% 0cm 13° 12°C 0.44mm 0.09kPa 24134m 2.7m/s 1.5m/s
08:00
0% 12°C 0.05mm 94% 0cm 21° 12°C 0.31mm 0.08kPa 23138m 5.2m/s 2.3m/s
09:00
0% 12°C 0.02mm 95% 0cm 29° 13°C 0.19mm 0.07kPa 22141m 7.7m/s 3.1m/s
10:00
0% 13°C 0mm 96% 0cm 37° 14°C 0.06mm 0.07kPa 21145m 10m/s 3.9m/s
11:00
0% 12°C 0mm 90% 0cm 44° 14°C 0.1mm 0.15kPa 22141m 10m/s 4.2m/s
12:00
0% 12°C 0mm 85% 0cm 49° 14°C 0.15mm 0.24kPa 23138m 9.7m/s 4.5m/s
13:00
0% 11°C 0mm 80% 0cm 52° 15°C 0.19mm 0.34kPa 24135m 9.5m/s 4.9m/s
14:00
0% 11°C 0mm 84% 0cm 51° 14°C 0.13mm 0.25kPa 24135m 8.4m/s 4.4m/s
15:00
1% 11°C 0mm 88% 0cm 48° 13°C 0.06mm 0.18kPa 24135m 7.4m/s 3.9m/s
16:00
1% 11°C 0mm 92% 0cm 42° 12°C 0mm 0.11kPa 24135m 6.4m/s 3.4m/s
17:00
1% 11°C 0mm 93% 0cm 35° 12°C 0.17mm 0.09kPa 24135m 5.5m/s 3.1m/s
18:00
0% 11°C 0mm 94% 0cm 27° 12°C 0.33mm 0.08kPa 24135m 4.6m/s 2.8m/s
19:00
0% 11°C 0mm 96% 0cm 19° 12°C 0.5mm 0.06kPa 24135m 3.7m/s 2.5m/s
20:00
1% 11°C 0.003mm 96% 0cm 11° 12°C 0.33mm 0.05kPa 24135m 3.8m/s 2.6m/s
21:00
1% 11°C 0.007mm 97% 0cm 3.6° 11°C 0.17mm 0.04kPa 24135m 4m/s 2.7m/s
22:00 ☾
2% 11°C 0.01mm 98% 0cm -3.1° 11°C 0mm 0.02kPa 24135m 4.2m/s 2.8m/s
23:00 ☾
1% 11°C 0.007mm 98% 0cm -8.4° 12°C 0mm 0.02kPa 16617m 4m/s 2.7m/s
Wed, Jul 29 Sunrise 05:05 Sunset 21:36
24:00 ☾
1% 12°C 0.003mm 98% 0cm -12° 12°C 0mm 0.03kPa 9100m 3.8m/s 2.5m/s
01:00 ☾
0% 13°C 0mm 98% 0cm -14° 13°C 0mm 0.03kPa 1582m 3.6m/s 2.4m/s
02:00 ☾
1% 13°C 0.01mm 96% 0cm -14° 14°C 0mm 0.07kPa 9100m 4.4m/s 2.7m/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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