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Rule Morning Frost

Morning Frost Forecast for Loch Lomond, Scotland

Balloch, Scotland, United Kingdom

Loch Lomond provides wooded islands, shoreline trees and layered hills reflected in broad water, with mist often simplifying the loch into tonal planes.

Currently

Real-time conditions
Soil Temperature16.6°C
Dew Point15.2°C (high dew point)
Wind Speed1.1m/s (calm conditions)
Cloud Cover100%

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 (94-hour forecast)

  • Frost Probability100% of hours
  • Time Window88% of hours
  • Wind Speed71% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Morning Frost conditions across Scotland. The requirements and hourly values below show how those signals apply at Loch Lomond.

Explore Morning Frost conditions across Scotland →

Recorded match history

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

Last 30 days
0
recorded matching windows
Last 90 days
0
recorded matching windows
Last 365 days
1
recorded matching window · 59% average confidence

Only 1 completed match is 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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94-hour requirements breakdown

When available, the detailed table below covers only the stated 94-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 94 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/London
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Thu, Aug 13
06:000%0.21m/s
07:000%0.16m/s
08:000%0.61m/s
09:000%1.2m/s
10:000%1.5m/s
11:000%1.8m/s
12:000%2.1m/s
13:000%2.7m/s
14:000%3.6m/s
15:000%3.2m/s
16:000%3.7m/s
17:000%3.8m/s
18:000%3.7m/s
19:000%3m/s
20:000%1.9m/s
21:000%1.3m/s
22:000%1.4m/s
23:000%1.4m/s
Fri, Aug 14
24:000%1.4m/s
01:000%1.1m/s
02:000%1m/s
03:000%0.96m/s
04:000%0.88m/s
05:000%1.1m/s
06:000%1.5m/s
07:000%1.4m/s
08:000%1.4m/s
09:000%2.2m/s
10:000%3.2m/s
11:000%4m/s
12:000%4.6m/s
13:000%5.3m/s
14:000%5.7m/s
15:000%6m/s
16:000%5.6m/s
17:000%5.3m/s
18:000%4.8m/s
19:000%4m/s
20:000%2.9m/s
21:000%2.4m/s
22:000%2.6m/s
23:000%2.6m/s
Sat, Aug 15
24:000%2.5m/s
01:000%2.5m/s
02:000%2.4m/s
03:000%2.5m/s
04:000%2.5m/s
05:000%2.5m/s
06:000%2.7m/s
07:000%3m/s
08:000%3.7m/s
09:000%4.5m/s
10:000%4.7m/s
11:000%4.3m/s
12:000%4.3m/s
13:000%4.6m/s
14:000%5m/s
15:000%5.3m/s
16:000%5.2m/s
17:000%4.6m/s
18:000%4.4m/s
19:000%4m/s
20:000%3.6m/s
21:000%2.7m/s
22:000%2.5m/s
23:000%2.4m/s
Sun, Aug 16
24:000%2.6m/s
01:000%2.4m/s
02:000%2.2m/s
03:000%1.9m/s
04:000%1.7m/s
05:000%1.1m/s
06:000%1.2m/s
07:000%1.1m/s
08:000%1.1m/s
09:000%1.5m/s
10:000%1.7m/s
11:000%2.5m/s
12:000%2.5m/s
13:000%2.3m/s
14:000%2m/s
15:000%1.7m/s
16:000%1.4m/s
17:000%1.2m/s
18:000%1.1m/s
19:000%0.97m/s
20:000%0.77m/s
21:000%0.58m/s
22:000%0.38m/s
23:000%0.41m/s
Mon, Aug 17
24:000%0.45m/s
01:000%0.48m/s
02:000%0.78m/s
03:000%1.1m/s
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Frost 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
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Fri, Aug 14 Sunrise 05:47 Sunset 20:57
05:00
15°C 17°C 16°C - 100% 0.05kPa
06:00
16°C 16°C 16°C - 100% 0.04kPa
07:00
16°C 16°C 16°C - 100% 0.05kPa
08:00
16°C 16°C 17°C - 95% 0.06kPa
09:00
16°C 16°C 18°C - 54% 0.15kPa
10:00
15°C 17°C 19°C - 10% 0.5kPa
11:00
13°C 17°C 20°C - 36% 0.79kPa
12:00
12°C 17°C 20°C - 85% 0.88kPa
13:00
12°C 17°C 20°C - 75% 0.89kPa
14:00
12°C 17°C 20°C - 77% 0.88kPa
15:00
11°C 17°C 19°C - 100% 0.92kPa
16:00
11°C 17°C 19°C - 100% 0.88kPa
17:00
11°C 17°C 18°C - 100% 0.79kPa
18:00
11°C 17°C 18°C - 100% 0.68kPa
19:00
12°C 17°C 17°C - 98% 0.56kPa
20:00
12°C 17°C 15°C - 19% 0.36kPa
21:00
11°C 17°C 13°C - 1% 0.17kPa
22:00
11°C 17°C 12°C - 0% 0.09kPa
23:00
11°C 16°C 12°C - 2% 0.06kPa
Sat, Aug 15 Sunrise 05:47 Sunset 20:57
24:00
11°C 16°C 11°C - 4% 0.04kPa
01:00
11°C 16°C 11°C - 6% 0.04kPa
02:00
11°C 15°C 11°C - 5% 0.04kPa
03:00
10°C 15°C 11°C - 8% 0.03kPa
04:00
9.9°C 15°C 10°C - 8% 0.04kPa
05:00
9.3°C 15°C 10°C - 17% 0.07kPa
06:00
8.3°C 14°C 10°C - 28% 0.14kPa
07:00
8°C 14°C 11°C - 100% 0.23kPa
08:00
8.1°C 14°C 12°C - 95% 0.36kPa
09:00
7°C 14°C 13°C - 94% 0.53kPa
10:00
6.8°C 14°C 14°C - 66% 0.65kPa
11:00
6.9°C 14°C 15°C - 38% 0.76kPa
12:00
6.9°C 14°C 16°C - 31% 0.86kPa
13:00
6.8°C 14°C 17°C - 5% 0.94kPa
14:00
7.2°C 15°C 17°C - 24% 0.96kPa
15:00
7.9°C 15°C 17°C - 61% 0.89kPa
16:00
7.9°C 15°C 16°C - 97% 0.77kPa
17:00
8.6°C 15°C 15°C - 87% 0.57kPa
18:00
8.6°C 15°C 15°C - 13% 0.6kPa
19:00
9.3°C 15°C 15°C - 5% 0.51kPa
20:00
9.3°C 15°C 13°C - 0% 0.34kPa
21:00
8.9°C 15°C 11°C - 5% 0.15kPa
22:00
8.8°C 14°C 9.8°C - 28% 0.08kPa
23:00
8.7°C 14°C 9.4°C - 45% 0.06kPa
Sun, Aug 16 Sunrise 05:49 Sunset 20:54
24:00
8.7°C 14°C 9.3°C - 5% 0.05kPa
01:00
8.5°C 14°C 9°C - 5% 0.04kPa
02:00
8.2°C 13°C 8.8°C - 5% 0.05kPa
03:00
7.9°C 13°C 8.5°C - 8% 0.04kPa
04:00
7.7°C 13°C 8.3°C - 14% 0.04kPa
05:00
7.4°C 13°C 8°C - 52% 0.04kPa
06:00
7.3°C 12°C 7.9°C - 95% 0.04kPa
07:00
8.3°C 12°C 9.1°C - 100% 0.06kPa
08:00
9.1°C 12°C 11°C - 100% 0.16kPa
09:00
9.5°C 12°C 13°C - 100% 0.26kPa
10:00
9.4°C 12°C 14°C - 99% 0.42kPa
11:00
9.3°C 12°C 15°C - 100% 0.51kPa
12:00
9.1°C 12°C 15°C - 100% 0.53kPa
13:00
9.1°C 13°C 15°C - 100% 0.55kPa
14:00
9.5°C 13°C 13°C - 75% 0.35kPa
15:00
9.6°C 13°C 12°C - 49% 0.19kPa
16:00
9.5°C 13°C 10°C - 24% 0.05kPa
17:00
9.2°C 13°C 9.8°C - 19% 0.05kPa
18:00
8.9°C 12°C 9.4°C - 14% 0.04kPa
19:00
8.6°C 12°C 9.1°C - 9% 0.04kPa
20:00
8.5°C 12°C 8.9°C - 30% 0.04kPa
21:00
8.3°C 12°C 8.8°C - 51% 0.04kPa
22:00
8.1°C 12°C 8.6°C - 72% 0.03kPa
23:00
8.4°C 12°C 8.8°C - 73% 0.03kPa
Mon, Aug 17 Sunrise 05:51 Sunset 20:52
24:00
8.6°C 11°C 9°C - 74% 0.04kPa
01:00
8.8°C 11°C 9.2°C - 76% 0.04kPa
02:00
9.5°C 11°C 11°C - 84% 0.11kPa
03:00
10°C 11°C 12°C - 92% 0.21kPa
04:00
11°C 11°C 14°C - 100% 0.32kPa
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.

Forecast generated

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