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Rule Fog Hunter

Fog Hunter Forecast for Loch Lubnaig, Trossachs & Loch Lomond

Callander, Scotland, United Kingdom

A long, narrow loch fills a steep Highland glen, bordered by pebble shores, woodland and the slopes of Ben Ledi.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread5.0°C
Visibility24134 (Clear)
Relative Humidity71%
Wind Speed2.1m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London
fog weather icon
Next opportunity
Fog Potential at Sunset
Loch Lubnaig
Wed, Aug 26 · 19:00–21:00 · 2h window
Low confidence
36%
🌫️Fog Probability77.1-86%
Dewpoint Spread: 0.3°C
Visibility: 5307 (Moderate)
Relative Humidity: 98%
Wind Speed: 2.0m/s (calm conditions)
fog weather icon
Fog Potential at Dusk
Loch Lubnaig
Sat, Aug 29 · 21:00–22:00
🌫️Fog Probability:77.1%
Low
fog weather icon
Fog Potential
Loch Lubnaig
Sat, Aug 29 · 22:00–23:00
🌫️Fog Probability:88.6%
Medium

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Trossachs & Loch Lomond. The requirements and hourly values below show how those signals apply at Loch Lubnaig.

Explore Fog Hunter conditions across Trossachs & Loch Lomond →

Recorded match history

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

Last 30 days
6
recorded matching windows · 74% average confidence
Last 90 days
30
recorded matching windows · 79% average confidence
Last 365 days
32
recorded matching windows · 79% average confidence
Most frequent recorded start hour

02:00 local time, shared by 11 of 32 matches recorded in the last 365 days.

Most represented month

July, with 14 of 32 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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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 06:01 Sunset 20:37
21:00 ☾
1% 6.5°C 0mm 71% 0cm -3.5° 12°C 0mm 0.39kPa 24134m 1.9m/s 2.1m/s
22:00 ☾
1% 6.5°C 0mm 78% 0cm -11° 10°C 0mm 0.27kPa 24135m 1.9m/s 2.1m/s
23:00 ☾
1% 6.8°C 0mm 83% 0cm -16° 9.6°C 0mm 0.2kPa 24134m 1.8m/s 2m/s
Sun, Aug 23 Sunrise 06:01 Sunset 20:37
24:00 ☾
1% 6.9°C 0mm 85% 0cm -20° 9.4°C 0mm 0.18kPa 24134m 1.6m/s 1.8m/s
01:00 ☾
1% 6.8°C 0mm 85% 0cm -22° 9.2°C 0mm 0.18kPa 24134m 1.4m/s 1.5m/s
02:00 ☾
1% 6.9°C 0mm 81% 0cm -22° 10°C 0mm 0.23kPa 24134m 1.2m/s 1.3m/s
03:00 ☾
2% 6.9°C 0mm 81% 0cm -19° 10°C 0mm 0.23kPa 24134m 1m/s 1.1m/s
04:00 ☾
2% 7°C 0mm 83% 0cm -15° 9.8°C 0mm 0.21kPa 24134m 1.1m/s 1.2m/s
05:00 ☾
2% 6.9°C 0mm 86% 0cm -8.4° 9.2°C 0mm 0.16kPa 24134m 1.2m/s 1.3m/s
06:00 ☾
2% 6.8°C 0mm 91% 0cm -0.92° 8.2°C 0mm 0.1kPa 24135m 1.4m/s 1.5m/s
07:00
2% 7.1°C 0mm 89% 0cm 6.9° 8.8°C 0mm 0.12kPa 24135m 1.4m/s 1.5m/s
08:00
16% 8.1°C 0mm 81% 0cm 15° 11°C 0mm 0.25kPa 24135m 1.4m/s 1.1m/s
09:00
30% 8.4°C 0mm 73% 0cm 23° 13°C 0mm 0.42kPa 24134m 1.2m/s 1m/s
10:00
44% 8.6°C 0mm 66% 0cm 31° 15°C 0mm 0.58kPa 24134m 1.2m/s 1.2m/s
11:00
39% 8.6°C 0mm 60% 0cm 38° 16°C 0mm 0.74kPa 24134m 1m/s 1.3m/s
12:00
34% 8.3°C 0mm 55% 0cm 42° 17°C 0mm 0.88kPa 24135m 0.83m/s 1.3m/s
13:00
29% 8.1°C 0mm 53% 0cm 45° 18°C 0mm 0.98kPa 24135m 1m/s 1.4m/s
14:00
19% 7.9°C 0mm 52% 0cm 44° 18°C 0mm 1kPa 24135m 1.2m/s 1.7m/s
15:00
10% 8°C 0mm 52% 0cm 41° 18°C 0mm 0.99kPa 24134m 1.2m/s 1.3m/s
16:00
0% 9.1°C 0.01mm 57% 0cm 35° 18°C 0mm 0.87kPa 24135m 1.2m/s 0.92m/s
17:00
0% 10°C 0mm 65% 0cm 28° 17°C 0mm 0.67kPa 24135m 1m/s 0.72m/s
18:00
0% 11°C 0mm 69% 0cm 20° 17°C 0.06mm 0.58kPa 24134m 0.91m/s 0.78m/s
19:00
0% 11°C 0mm 73% 0cm 12° 16°C 0.13mm 0.48kPa 24135m 1m/s 0.95m/s
20:00
2% 10°C 0mm 76% 0cm 4° 14°C 0.06mm 0.39kPa 24134m 1m/s 1.1m/s
21:00 ☾
3% 9.5°C 0mm 77% 0cm -3.9° 14°C 0.06mm 0.36kPa 24134m 1.1m/s 1.1m/s
22:00 ☾
5% 9.5°C 0mm 79% 0cm -11° 13°C 0.06mm 0.32kPa 24134m 1m/s 1m/s
23:00 ☾
5% 9.4°C 0mm 81% 0cm -17° 13°C 0.06mm 0.28kPa 24134m 0.9m/s 0.93m/s
Mon, Aug 24 Sunrise 06:03 Sunset 20:35
24:00 ☾
5% 9°C 0mm 85% 0cm -21° 11°C 0.06mm 0.2kPa 24134m 0.71m/s 0.78m/s
01:00 ☾
5% 8.4°C 0mm 89% 0cm -22° 10°C 0.06mm 0.13kPa 24134m 0.3m/s 0.23m/s
02:00 ☾
12% 7.9°C 0mm 90% 0cm -22° 9.4°C 0mm 0.11kPa 24134m 0.31m/s 0.37m/s
03:00 ☾
18% 7.6°C 0mm 91% 0cm -19° 9°C 0mm 0.1kPa 24134m 0.8m/s 0.84m/s
04:00 ☾
25% 7.5°C 0mm 91% 0cm -15° 8.9°C 0mm 0.1kPa 24135m 0.83m/s 0.84m/s
05:00 ☾
23% 7.2°C 0mm 91% 0cm -8.7° 8.7°C 0mm 0.11kPa 24134m 0.91m/s 0.99m/s
06:00 ☾
20% 7.1°C 0mm 91% 0cm -1.2° 8.5°C 0mm 0.1kPa 24134m 0.93m/s 1m/s
07:00
18% 7.6°C 0mm 90% 0cm 6.6° 9.2°C 0mm 0.12kPa 24134m 0.92m/s 0.95m/s
08:00
15% 8.8°C 0mm 85% 0cm 15° 11°C 0mm 0.21kPa 24134m 1m/s 0.84m/s
09:00
13% 9.3°C 0mm 79% 0cm 23° 13°C 0mm 0.31kPa 24135m 1.3m/s 1.2m/s
10:00
10% 9.5°C 0mm 72% 0cm 31° 14°C 0mm 0.45kPa 24135m 1.8m/s 1.4m/s
11:00
9% 9.4°C 0mm 66% 0cm 37° 16°C 0mm 0.6kPa 24134m 2.6m/s 1.8m/s
12:00
8% 9.4°C 0mm 62% 0cm 42° 17°C 0mm 0.71kPa 24134m 3.3m/s 2.2m/s
13:00
7% 9.5°C 0mm 60% 0cm 45° 17°C 0mm 0.81kPa 24134m 3.5m/s 2.4m/s
14:00
9% 9.2°C 0mm 56% 0cm 44° 18°C 0mm 0.9kPa 24134m 3.8m/s 2.7m/s
15:00
10% 9°C 0mm 54% 0cm 41° 18°C 0mm 0.97kPa 24135m 4.3m/s 3.1m/s
16:00
12% 8.9°C 0mm 53% 0cm 35° 19°C 0mm 1kPa 24134m 4.3m/s 3m/s
17:00
11% 9.2°C 0mm 54% 0cm 28° 19°C 0mm 0.98kPa 24135m 4.4m/s 3.1m/s
18:00
10% 11°C 0mm 64% 0cm 20° 18°C 0mm 0.74kPa 24134m 4.8m/s 3.2m/s
19:00
9% 11°C 0mm 72% 0cm 12° 16°C 0mm 0.51kPa 24135m 4m/s 2.3m/s
20:00
13% 11°C 0mm 76% 0cm 3.7° 15°C 0mm 0.39kPa 24134m 1.7m/s 1.8m/s
21:00 ☾
18% 9.8°C 0mm 76% 0cm -4.2° 14°C 0mm 0.37kPa 24134m 2.3m/s 2.1m/s
22:00 ☾
22% 9.8°C 0mm 80% 0cm -11° 13°C 0mm 0.3kPa 24134m 2.5m/s 2.2m/s
23:00 ☾
18% 9.8°C 0mm 84% 0cm -17° 12°C 0mm 0.22kPa 24135m 2.3m/s 2m/s
Tue, Aug 25 Sunrise 06:05 Sunset 20:32
24:00 ☾
14% 9.7°C 0mm 89% 0cm -21° 11°C 0mm 0.15kPa 24134m 2.2m/s 2m/s
01:00 ☾
10% 9.4°C 0mm 93% 0cm -23° 10°C 0mm 0.09kPa 24134m 2.2m/s 2m/s
02:00 ☾
8% 9.2°C 0mm 91% 0cm -22° 11°C 0mm 0.12kPa 24134m 2.6m/s 2m/s
03:00 ☾
5% 8.9°C 0mm 88% 0cm -20° 11°C 0mm 0.15kPa 24134m 2.9m/s 2m/s
04:00 ☾
3% 8.6°C 0mm 86% 0cm -15° 11°C 0mm 0.19kPa 24135m 3.2m/s 2m/s
05:00 ☾
2% 9°C 0mm 85% 0cm -8.9° 11°C 0.04mm 0.2kPa 24135m 3.7m/s 2.1m/s
06:00 ☾
1% 9.5°C 0mm 85% 0cm -1.5° 12°C 0.08mm 0.21kPa 24135m 4.2m/s 2.2m/s
07:00
0% 9.9°C 0mm 84% 0cm 6.4° 12°C 0.13mm 0.22kPa 24135m 4.7m/s 2.3m/s
08:00
0% 9.6°C 0mm 80% 0cm 15° 13°C 0.1mm 0.3kPa 24135m 4.9m/s 2.4m/s
09:00
0% 9.3°C 0mm 75% 0cm 23° 14°C 0.08mm 0.39kPa 24135m 5.1m/s 2.5m/s
10:00
0% 8.9°C 0mm 70% 0cm 30° 14°C 0.06mm 0.48kPa 24135m 5.3m/s 2.5m/s
11:00
0% 9.2°C 0mm 73% 0cm 37° 14°C 0.06mm 0.44kPa 24135m 4.6m/s 2.4m/s
12:00
0% 9.6°C 0mm 75% 0cm 42° 14°C 0.06mm 0.39kPa 24135m 3.9m/s 2.2m/s
13:00
0% 9.9°C 0mm 78% 0cm 44° 14°C 0.06mm 0.35kPa 24135m 3.1m/s 2.1m/s
14:00
0% 9.1°C 0mm 83% 0cm 44° 12°C 0.04mm 0.24kPa 24135m 2.8m/s 2.2m/s
15:00
1% 8.2°C 0mm 88% 0cm 40° 10°C 0.02mm 0.14kPa 24135m 2.5m/s 2.4m/s
16:00
1% 7.2°C 0mm 94% 0cm 35° 8.1°C 0mm 0.07kPa 24135m 2.2m/s 2.5m/s
17:00
1% 7.5°C 0mm 94% 0cm 28° 8.4°C 0mm 0.06kPa 24135m 2.2m/s 2.3m/s
18:00
1% 7.9°C 0mm 95% 0cm 20° 8.7°C 0mm 0.06kPa 24135m 2.2m/s 2.1m/s
19:00
1% 8.2°C 0mm 95% 0cm 12° 9°C 0mm 0.06kPa 24135m 2.2m/s 1.9m/s
20:00
4% 8°C 0mm 96% 0cm 3.4° 8.7°C 0mm 0.05kPa 24135m 2.3m/s 2m/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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