How often do conditions match?

There are 8 upcoming opportunity windows in the next 10 days.

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Rule Fog Hunter

Glencoe - Fog Hunter - Scotland

Fort William, Scotland, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions

Fog Probability

25%

Dewpoint Spread1.2°C

Visibility585 (Fog)

Relative Humidity92%

Wind Speed5.8m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

Next opportunity

Dense Fog

Glencoe

Tue, Mar 17 · 01:00–05:00 · 4h window

High confidence

89%

🌫️Fog Probability100%

Dewpoint Spread: 0.1°C

Visibility: 55 (Dense fog)

Relative Humidity: 99%

Wind Speed: 3.3m/s (calm conditions)

Dense Fog at Dawn

Glencoe

Tue, Mar 17 · 05:00–06:00

🌫️Fog Probability:100%

High

Dense Fog at Sunrise

Glencoe

Tue, Mar 17 · 06:00–08:00

🌫️Fog Probability:100%

High

Dense Fog

Glencoe

Tue, Mar 17 · 08:00–11:00

🌫️Fog Probability:76.9-100%

High

Moderate Fog

Glencoe

Wed, Mar 18 · 03:00–04:00

🌫️Fog Probability:66.7%

Medium

Moderate Fog

Glencoe

Mon, Mar 23 · 15:00–16:00

🌫️Fog Probability:64.4%

Low

Dense Fog

Glencoe

Mon, Mar 23 · 21:00–22:00

🌫️Fog Probability:100%

Medium

+1 more windows in the next 10 days

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72-hour requirements breakdown

What passed or failed, hour by hour

11matching hours in the next 80 hoursJump to next match

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/London	Fog Probability ≥ 60.0%
Sun, Mar 15
04:00	0%
05:00	0%
06:00	0%
07:00	0%
08:00	0%
09:00	0%
10:00	0%
11:00	0%
12:00	0%
13:00	25%
14:00	0%
15:00	0%
16:00	0%
17:00	0%
18:00	0%
19:00	47%
20:00	0%
21:00	0%
22:00	0%
23:00	0%
Mon, Mar 16
24:00	0%
01:00	34%
02:00	0%
03:00	0%
04:00	0%
05:00	0%
06:00	0%
07:00	0%
08:00	0%
09:00	0%
10:00	0%
11:00	0%
12:00	0%
13:00	0%
14:00	0%
15:00	0%
16:00	0%
17:00	0%
18:00	0%
19:00	0%
20:00	0%
21:00	0%
22:00	0%
23:00	0%
Tue, Mar 17
24:00	0%
01:00	100%
02:00	100%
03:00	100%
04:00	100%
05:00	100%
06:00	100%
07:00	100%
08:00	100%
09:00	77%
10:00	79%
11:00	35%
12:00	22%
13:00	42%
14:00	42%
15:00	0%
16:00	0%
17:00	0%
18:00	0%
19:00	0%
20:00	0%
21:00	39%
22:00	39%
23:00	0%
Wed, Mar 18
24:00	0%
01:00	35%
02:00	35%
03:00	67%
04:00	0%
05:00	0%
06:00	0%
07:00	0%
08:00	0%
09:00	0%
10:00	0%
11:00	0%

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	Dew Point °C	Rainfall mm	Relative Humidity %	Snowfall cm	Temperature °C	Total Precipitation mm	Vapor Pressure Deficit kPa	Visibility m	Wind Gusts m/s	Wind Speed m/s
Sun, Mar 15 Sunrise 06:36 Sunset 18:23
13:00	-0.2°C	0.3mm	92%	0.5cm	0.95°C	0.88mm	0.05kPa	585m	14m/s	5.8m/s
14:00	-0.2°C	0.19mm	91%	0.54cm	1.1°C	1.4mm	0.06kPa	1065m	15m/s	6.8m/s
15:00	-0.8°C	0.24mm	89%	0.61cm	0.74°C	2mm	0.07kPa	727m	15m/s	7.5m/s
16:00	-2.1°C	0mm	80%	0.63cm	0.88°C	2.5mm	0.13kPa	10587m	16m/s	8.5m/s
17:00	-1.6°C	0.11mm	88%	0.6cm	0.16°C	3mm	0.07kPa	778m	14m/s	5.9m/s
18:00	-1.4°C	0.26mm	93%	0.89cm	-0.37°C	4mm	0.04kPa	330m	12m/s	4.9m/s
19:00 ☾	-1.6°C	0.4mm	94%	0.96cm	-0.85°C	0.81mm	0.03kPa	216m	10m/s	3.7m/s
20:00 ☾	-2.9°C	0.01mm	82%	0.52cm	-0.17°C	1.5mm	0.11kPa	10162m	12m/s	5.6m/s
21:00 ☾	-3°C	0.02mm	83%	0.13cm	-0.45°C	1.8mm	0.1kPa	4660m	13m/s	6.2m/s
22:00 ☾	-3.1°C	0mm	81%	0.13cm	-0.17°C	2.1mm	0.12kPa	21443m	12m/s	5.5m/s
23:00 ☾	-3°C	0.01mm	83%	0.08cm	-0.43°C	2.3mm	0.1kPa	12316m	14m/s	5.4m/s
Mon, Mar 16 Sunrise 06:33 Sunset 18:25
24:00 ☾	-2.1°C	0.31mm	90%	0.35cm	-0.64°C	2.5mm	0.06kPa	581m	14m/s	5.8m/s
01:00 ☾	-1.4°C	0.89mm	95%	0.91cm	-0.75°C	0.38mm	0.03kPa	234m	15m/s	5.5m/s
02:00 ☾	-1.3°C	0.5mm	92%	0.52cm	-0.2°C	1.3mm	0.05kPa	411m	14m/s	5.4m/s
03:00 ☾	-0.9°C	0.7mm	95%	0.71cm	-0.23°C	1.9mm	0.03kPa	251m	14m/s	4.9m/s
04:00 ☾	-0.6°C	1mm	97%	1cm	-0.15°C	2.6mm	0.02kPa	157m	13m/s	4.5m/s
05:00 ☾	-0.3°C	1.1mm	97%	1.1cm	0.05°C	3.6mm	0.02kPa	142m	14m/s	5m/s
06:00 ☾	-0.1°C	0.97mm	98%	0.99cm	0.15°C	4.5mm	0.01kPa	73m	13m/s	4m/s
07:00	0.2°C	1.2mm	98%	1.2cm	0.45°C	1.1mm	0.01kPa	41m	13m/s	4.2m/s
08:00	0.4°C	0.74mm	98%	0.75cm	0.66°C	2.1mm	0.01kPa	46m	14m/s	4.3m/s
09:00	0.8°C	0.65mm	99%	0.65cm	0.85°C	2.7mm	0kPa	52m	12m/s	3.7m/s
10:00	1.3°C	0.71mm	99%	0.72cm	1.4°C	3.4mm	0kPa	54m	12m/s	3.9m/s
11:00	1.7°C	0.59mm	100%	0cm	1.8°C	4mm	0kPa	55m	8.8m/s	3.3m/s
12:00	2.1°C	1.3mm	100%	0cm	2.2°C	5mm	0kPa	72m	7.5m/s	3.4m/s
13:00	2.4°C	1.1mm	100%	0cm	2.4°C	1.4mm	0kPa	75m	7m/s	3.5m/s
14:00	2.3°C	1.4mm	100%	0cm	2.4°C	2.4mm	0kPa	73m	5.4m/s	2.9m/s
15:00	2°C	2.3mm	100%	0cm	2.1°C	4.3mm	0kPa	100m	4.4m/s	2.8m/s
16:00	1.9°C	3.1mm	100%	0cm	1.9°C	7.1mm	0kPa	155m	2.4m/s	2m/s
17:00	2°C	4.8mm	100%	0cm	2°C	11mm	0kPa	157m	3m/s	2.5m/s
18:00	2°C	2.9mm	100%	0cm	2°C	15mm	0kPa	161m	3.6m/s	2.9m/s
19:00 ☾	3.2°C	0.21mm	100%	0cm	3.2°C	1.2mm	0kPa	82m	8.2m/s	3.9m/s
20:00 ☾	4.9°C	0.11mm	100%	0cm	4.9°C	1.4mm	0kPa	69m	10m/s	4.6m/s
21:00 ☾	4.9°C	0.24mm	99%	0cm	4.9°C	1.6mm	0.01kPa	57m	11m/s	4.9m/s
22:00 ☾	4.9°C	0.05mm	99%	0cm	5°C	1.7mm	0.01kPa	60m	10m/s	4.8m/s
23:00 ☾	4.7°C	0.01mm	99%	0cm	4.9°C	1.8mm	0.01kPa	61m	9.7m/s	4.1m/s
Tue, Mar 17 Sunrise 06:31 Sunset 18:27
24:00 ☾	4.6°C	0mm	99%	0cm	4.7°C	1.8mm	0.01kPa	57m	6.2m/s	3.5m/s
01:00 ☾	4.4°C	0mm	99%	0cm	4.5°C	0mm	0.01kPa	55m	6.3m/s	3.3m/s
02:00 ☾	4.4°C	0.01mm	99%	0cm	4.5°C	0mm	0.01kPa	56m	6.3m/s	3.2m/s
03:00 ☾	4.3°C	0.01mm	99%	0cm	4.4°C	0mm	0.01kPa	58m	4.8m/s	2.9m/s
04:00 ☾	4.3°C	0.02mm	100%	0cm	4.4°C	0.06mm	0kPa	59m	4.4m/s	3m/s
05:00 ☾	4.6°C	0mm	100%	0cm	4.6°C	0.06mm	0kPa	63m	4.8m/s	3.2m/s
06:00 ☾	4.5°C	0.01mm	100%	0cm	4.6°C	0.06mm	0kPa	67m	4.1m/s	3.1m/s
07:00	4.5°C	0.04mm	99%	0cm	4.6°C	0mm	0.01kPa	75m	4.8m/s	3.3m/s
08:00	4.8°C	0.04mm	99%	0cm	4.9°C	0.06mm	0.01kPa	95m	6.9m/s	3.4m/s
09:00	5.2°C	0.04mm	97%	0cm	5.7°C	0.13mm	0.03kPa	1371m	10m/s	4m/s
10:00	5.3°C	0.1mm	97%	0cm	5.8°C	0.19mm	0.03kPa	1406m	9.6m/s	3.9m/s
11:00	5.3°C	0.09mm	96%	0cm	5.8°C	0.31mm	0.03kPa	1446m	10m/s	3.9m/s
12:00	5.7°C	0mm	95%	0cm	6.4°C	0.31mm	0.04kPa	2297m	11m/s	4.1m/s
13:00	6°C	0.01mm	95%	0cm	6.9°C	0mm	0.05kPa	3215m	11m/s	4.2m/s
14:00	6.2°C	0.01mm	94%	0cm	7.1°C	0mm	0.06kPa	4310m	11m/s	4m/s
15:00	6.4°C	1.5mm	96%	0cm	7°C	0.38mm	0.04kPa	6066m	9.5m/s	3.6m/s
16:00	6.3°C	2.3mm	99%	0cm	6.5°C	2.2mm	0.01kPa	1277m	7m/s	3.4m/s
17:00	5.5°C	0.46mm	98%	0cm	5.8°C	3.7mm	0.02kPa	2932m	4.9m/s	3m/s
18:00	4.6°C	0.61mm	99%	0cm	4.8°C	4.8mm	0.01kPa	840m	5.4m/s	2.6m/s
19:00 ☾	4.3°C	0.45mm	99%	0cm	4.5°C	3.5mm	0.01kPa	5164m	4.7m/s	2.4m/s
20:00 ☾	4°C	0.3mm	99%	0cm	4.1°C	2.2mm	0.01kPa	9488m	3.9m/s	2.1m/s
21:00 ☾	3.7°C	0.14mm	99%	0cm	3.8°C	0.88mm	0.01kPa	13812m	3.2m/s	1.8m/s
22:00 ☾	3.7°C	0.1mm	99%	0cm	3.9°C	0.96mm	0.01kPa	12730m	2.9m/s	1.6m/s
23:00 ☾	3.8°C	0.05mm	99%	0cm	3.9°C	1mm	0.01kPa	11648m	2.6m/s	1.5m/s
Wed, Mar 18 Sunrise 06:28 Sunset 18:29
24:00 ☾	3.9°C	0.01mm	99%	0cm	4°C	1.1mm	0.01kPa	10567m	2.3m/s	1.3m/s
01:00 ☾	4°C	0.01mm	99%	0cm	4.2°C	0.75mm	0.01kPa	15089m	2.2m/s	1.3m/s
02:00 ☾	4.2°C	0.01mm	98%	0cm	4.5°C	0.38mm	0.02kPa	19612m	2m/s	1.2m/s
03:00 ☾	4.4°C	0.01mm	98%	0cm	4.7°C	0mm	0.02kPa	24135m	1.9m/s	1.1m/s
04:00 ☾	4.5°C	0.007mm	92%	0cm	5.7°C	0.02mm	0.07kPa	24135m	2.3m/s	1.3m/s
05:00 ☾	4.5°C	0.003mm	86%	0cm	6.6°C	0.04mm	0.13kPa	24135m	2.7m/s	1.5m/s
06:00 ☾	4.4°C	0mm	80%	0cm	7.6°C	0.06mm	0.2kPa	24135m	3.1m/s	1.7m/s
07:00	4.6°C	0mm	81%	0cm	7.7°C	0.06mm	0.2kPa	24135m	2.8m/s	1.6m/s
08:00	4.8°C	0mm	81%	0cm	7.7°C	0.06mm	0.2kPa	24135m	2.5m/s	1.5m/s
09:00	4.9°C	0mm	82%	0cm	7.8°C	0.06mm	0.19kPa	24135m	2.2m/s	1.4m/s
10:00	4.7°C	0mm	84%	0cm	7.2°C	0.06mm	0.16kPa	24135m	1.8m/s	1.3m/s
11:00	4.4°C	0mm	86%	0cm	6.6°C	0.06mm	0.14kPa	24135m	1.5m/s	1.2m/s
12:00	4.1°C	0mm	88%	0cm	6°C	0.06mm	0.12kPa	24135m	1.1m/s	1.1m/s

How to read: these inputs help produce the derived score; they are not requirements by themselves.

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