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No opportunity windows are predicted in the next 10 days. Conditions can change quickly, so check back for updates.

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Rule Fog Hunter

Grasmere - Fog Hunter - Lake District

Q: What conditions does Fog Hunter look for?

Fog Probability: ≥ 85.0%. Dewpoint Spread: ≤ 2.0°C. Visibility: ≤ 3000.0m. Wind Speed: ≤ 2.0m/s

Ambleside, England, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

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Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)

Fog Probability · ≥ 85.0% Dewpoint Spread · ≤ 2.0°C Visibility · ≤ 3000.0m Wind Speed · ≤ 2.0m/s

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)

Fog Probability 99% failing

Visibility 88% failing

Wind Speed 64% failing

Currently

Real-time conditions

Fog Probability

36%

Dewpoint Spread0.8°C

Visibility24135 (Clear)

Relative Humidity94%

Wind Speed4.1m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the conditions that create the Lake District's legendary atmospheric photography. We combine fog probability, dewpoint spread, visibility, and wind data to predict when and where mist will form over these famous lakes and valleys.

The Lake District's combination of lakes, tarns, and enclosed valleys creates ideal conditions for fog formation. Cool, calm nights allow mist to pool in valley bottoms, creating ethereal scenes at dawn that have inspired poets and photographers for centuries.

What makes the Lake District special for fog photography:

Lake mist - Cold water surfaces generate fog that pools over the lakes at dawn
Valley inversions - Mountain-ringed valleys trap mist while fells rise above
Romantic landscapes - This is Wordsworth and Turner country, with timeless views
Accessible locations - Well-maintained paths reach viewpoints above the fog layer

Peak fog season runs from late August through October, when temperature differentials are greatest. The best conditions typically occur on calm, clear nights when temperatures drop near dewpoint. Arrive before dawn—lake mist often lifts within an hour or two of sunrise. Higher viewpoints like Catbells or Loughrigg offer shots looking down at fog-filled valleys.

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72-hour requirements breakdown

What passed or failed, hour by hour

0matching hours in the next 95 hours

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/London	Fog Probability ≥ 85.0%	Dewpoint Spread ≤ 2.0°C	Visibility ≤ 3000.0m	Wind Speed ≤ 2.0m/s
Wed, Mar 4
01:00	0%	2.9°C	24134m	2.2m/s
02:00	0%	3.1°C	24134m	2.3m/s
03:00	0%	3.3°C	24135m	2.3m/s
04:00	0%	3.2°C	24134m	2.3m/s
05:00	0%	3°C	24134m	2.3m/s
06:00	0%	2.8°C	24134m	2.2m/s
07:00	0%	2.5°C	24135m	2.4m/s
08:00	0%	2.4°C	24135m	2.3m/s
09:00	0%	2.4°C	24134m	2.6m/s
10:00	0%	2.7°C	24135m	3.4m/s
11:00	0%	3.4°C	24134m	4.1m/s
12:00	0%	3.9°C	24134m	4.3m/s
13:00	0%	3.8°C	24134m	4.5m/s
14:00	0%	4.2°C	24134m	4.8m/s
15:00	0%	4.2°C	24135m	4.8m/s
16:00	0%	3.5°C	24135m	4.1m/s
17:00	0%	2.5°C	24135m	3.4m/s
18:00	0%	1.3°C	24135m	3m/s
19:00	0%	1.3°C	24135m	3.3m/s
20:00	0%	1.6°C	24134m	3.6m/s
21:00	0%	1.4°C	24134m	3.1m/s
22:00	0%	1.5°C	24135m	3.1m/s
23:00	0%	1.1°C	24135m	3.6m/s
Thu, Mar 5
24:00	51%	1°C	24134m	3.9m/s
01:00	36%	0.8°C	24135m	4.1m/s
02:00	64%	0.5°C	24134m	3.6m/s
03:00	64%	0.6°C	24134m	3.2m/s
04:00	64%	0.5°C	24134m	2.6m/s
05:00	64%	0.6°C	24135m	2.4m/s
06:00	64%	0.6°C	24134m	2.4m/s
07:00	64%	0.6°C	24135m	2.2m/s
08:00	60%	0.8°C	24135m	2.3m/s
09:00	0%	1.5°C	24134m	3m/s
10:00	0%	2.4°C	24134m	3.8m/s
11:00	0%	2.7°C	24134m	4m/s
12:00	0%	3.2°C	24135m	4.4m/s
13:00	0%	3.4°C	24134m	4.9m/s
14:00	0%	3.5°C	24134m	5m/s
15:00	0%	3°C	20711m	4.5m/s
16:00	0%	2.3°C	20523m	4.4m/s
17:00	0%	1.3°C	22729m	1.9m/s
18:00	30%	0.9°C	24135m	0.37m/s
19:00	36%	0.5°C	10308m	1.2m/s
20:00	0%	0.4°C	4801m	2.6m/s
21:00	0%	0.8°C	4878m	2.9m/s
22:00	0%	0.9°C	9854m	2.8m/s
23:00	0%	0.9°C	6782m	2.2m/s
Fri, Mar 6
24:00	0%	1°C	24134m	2.3m/s
01:00	68%	0.9°C	14582m	2.5m/s
02:00	100%	0.7°C	532m	2.8m/s
03:00	40%	0.5°C	125m	4.2m/s
04:00	44%	0.2°C	28m	4.9m/s
05:00	0%	0.1°C	24m	4.8m/s
06:00	0%	0.2°C	23m	4.3m/s
07:00	63%	0.1°C	23m	3.8m/s
08:00	63%	0.1°C	23m	3.2m/s
09:00	55%	0.1°C	23m	3.3m/s
10:00	55%	0.3°C	40m	3.1m/s
11:00	0%	1°C	4800m	2.7m/s
12:00	0%	2.1°C	24134m	2.4m/s
13:00	0%	2.3°C	24134m	2m/s
14:00	0%	2.7°C	24135m	1.6m/s
15:00	0%	3°C	24134m	1.3m/s
16:00	0%	3.1°C	24134m	0.76m/s
17:00	0%	3°C	24134m	0.13m/s
18:00	0%	2.4°C	24135m	0.05m/s
19:00	0%	2.3°C	24135m	0.63m/s
20:00	0%	2.3°C	24134m	0.81m/s
21:00	0%	2.4°C	24134m	1.3m/s
22:00	0%	1.9°C	24134m	1.6m/s
23:00	0%	1.6°C	24135m	1.7m/s
Sat, Mar 7
24:00	0%	2°C	24135m	1.7m/s
01:00	0%	2.3°C	24135m	2.1m/s
02:00	0%	2.2°C	24135m	2.1m/s
03:00	0%	2.1°C	24134m	2.1m/s
04:00	0%	2°C	24135m	2m/s
05:00	0%	2°C	24134m	2m/s
06:00	0%	1.9°C	24135m	2.1m/s
07:00	0%	2.3°C	24135m	2.4m/s
08:00	0%	2.7°C	24135m	2.7m/s
09:00	0%	3°C	24135m	3m/s
10:00	0%	2.5°C	24135m	2.6m/s
11:00	0%	1.9°C	24135m	2.3m/s
12:00	0%	1.4°C	24135m	2m/s
13:00	0%	1.1°C	24135m	1.9m/s
14:00	48%	0.8°C	24135m	1.9m/s
15:00	59%	0.5°C	24135m	1.8m/s
16:00	59%	0.4°C	24135m	1.9m/s
17:00	67%	0.4°C	24135m	1.9m/s
18:00	67%	0.5°C	24135m	2m/s
19:00	67%	0.3°C	24135m	2m/s
20:00	67%	0.3°C	24135m	2m/s
21:00	67%	0.3°C	24135m	1.9m/s
22:00	67%	0.3°C	24135m	1.8m/s
23:00	67%	0.4°C	24135m	1.7m/s

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	Wind Gusts m/s
Thu, Mar 5 Sunrise 06:51 Sunset 17:55
01:00 ☾	6.5°C	0mm	94%	0cm	7.3°C	0mm	0.06kPa	11m/s
02:00 ☾	6.1°C	0mm	96%	0cm	6.6°C	0mm	0.03kPa	8.5m/s
03:00 ☾	5.5°C	0mm	96%	0cm	6.1°C	0mm	0.03kPa	7.4m/s
04:00 ☾	5°C	0mm	96%	0cm	5.5°C	0mm	0.03kPa	5.9m/s
05:00 ☾	4.8°C	0mm	96%	0cm	5.4°C	0mm	0.03kPa	5.4m/s
06:00 ☾	4.6°C	0mm	96%	0cm	5.2°C	0mm	0.03kPa	4.6m/s
07:00	4.5°C	0mm	96%	0cm	5.1°C	0mm	0.04kPa	3m/s
08:00	5.1°C	0mm	95%	0cm	5.9°C	0mm	0.05kPa	4.4m/s
09:00	5.9°C	0mm	90%	0cm	7.4°C	0mm	0.11kPa	6.4m/s
10:00	6.3°C	0mm	85%	0cm	8.7°C	0mm	0.16kPa	7.3m/s
11:00	6.8°C	0mm	83%	0cm	9.5°C	0mm	0.2kPa	7m/s
12:00	7.3°C	0mm	80%	0cm	10°C	0mm	0.25kPa	7.4m/s
13:00	7.5°C	0mm	79%	0cm	11°C	0mm	0.27kPa	7.8m/s
14:00	7.5°C	0mm	79%	0cm	11°C	0mm	0.28kPa	7.6m/s
15:00	8°C	0mm	82%	0cm	11°C	0.06mm	0.24kPa	8m/s
16:00	8.3°C	0mm	86%	0cm	11°C	0.31mm	0.18kPa	7.7m/s
17:00	8.2°C	0.13mm	92%	0cm	9.5°C	0.5mm	0.1kPa	2.8m/s
18:00 ☾	8°C	0mm	94%	0cm	8.9°C	0.56mm	0.07kPa	0.41m/s
19:00 ☾	7.7°C	0.23mm	96%	0cm	8.2°C	0.06mm	0.04kPa	1.2m/s
20:00 ☾	6.6°C	2.1mm	97%	0cm	7°C	1.6mm	0.03kPa	2.9m/s
21:00 ☾	4.4°C	0.32mm	94%	0cm	5.2°C	2.4mm	0.05kPa	3.3m/s
22:00 ☾	3.2°C	0.26mm	94%	0cm	4.1°C	2.9mm	0.05kPa	3.5m/s
23:00 ☾	2.8°C	1mm	94%	0cm	3.7°C	4.1mm	0.05kPa	2.8m/s
Fri, Mar 6 Sunrise 06:49 Sunset 17:57
24:00 ☾	2.7°C	0.05mm	93%	0cm	3.7°C	4.4mm	0.05kPa	3m/s
01:00 ☾	2.7°C	0.01mm	94%	0cm	3.6°C	0mm	0.05kPa	3.6m/s
02:00 ☾	2.9°C	0.03mm	95%	0cm	3.6°C	0.06mm	0.04kPa	4.5m/s
03:00 ☾	2.6°C	0.64mm	97%	0.65cm	3.1°C	0.25mm	0.03kPa	6.3m/s
04:00 ☾	1.7°C	0.69mm	98%	0.69cm	1.9°C	0.75mm	0.01kPa	7.8m/s
05:00 ☾	1.4°C	0.4mm	99%	0.4cm	1.5°C	1.3mm	0.01kPa	7.4m/s
06:00 ☾	1.4°C	0.28mm	99%	0.28cm	1.6°C	1.6mm	0.01kPa	6.9m/s
07:00	1.6°C	0.18mm	99%	0.18cm	1.7°C	0.25mm	0.01kPa	6.3m/s
08:00	1.9°C	0.12mm	99%	0.13cm	2°C	0.38mm	0kPa	5.4m/s
09:00	2.1°C	0.01mm	99%	0.02cm	2.2°C	0.5mm	0.01kPa	5m/s
10:00	2.1°C	0mm	98%	0cm	2.4°C	0.5mm	0.01kPa	4.6m/s
11:00	1.6°C	0mm	93%	0cm	2.6°C	0.5mm	0.05kPa	3.6m/s
12:00	1.3°C	0mm	86%	0cm	3.4°C	0.5mm	0.11kPa	2.8m/s
13:00	1.5°C	0mm	85%	0cm	3.8°C	0mm	0.12kPa	2.2m/s
14:00	1.3°C	0mm	82%	0cm	4°C	0mm	0.14kPa	1.6m/s
15:00	1°C	0mm	81%	0cm	4°C	0mm	0.16kPa	1.2m/s
16:00	0.9°C	0mm	80%	0cm	4°C	0mm	0.16kPa	0.8m/s
17:00	1°C	0.01mm	81%	0cm	4°C	0mm	0.16kPa	0.12m/s
18:00 ☾	1.3°C	0.01mm	84%	0cm	3.7°C	0mm	0.12kPa	0.13m/s
19:00 ☾	1.4°C	0mm	85%	0cm	3.7°C	0mm	0.12kPa	0.61m/s
20:00 ☾	1.4°C	0mm	85%	0cm	3.7°C	0mm	0.12kPa	0.8m/s
21:00 ☾	1.3°C	0mm	84%	0cm	3.7°C	0mm	0.12kPa	1.3m/s
22:00 ☾	1.6°C	0mm	87%	0cm	3.5°C	0mm	0.1kPa	1.7m/s
23:00 ☾	1.3°C	0mm	89%	0cm	2.9°C	0mm	0.08kPa	1.7m/s
Sat, Mar 7 Sunrise 06:46 Sunset 17:59
24:00 ☾	0.4°C	0mm	86%	0cm	2.4°C	0mm	0.1kPa	1.7m/s
01:00 ☾	0.1°C	0mm	84%	0cm	2.4°C	0mm	0.11kPa	2.1m/s
02:00 ☾	-0.1°C	0mm	85%	0cm	2.1°C	0mm	0.1kPa	2m/s
03:00 ☾	-0.2°C	0mm	86%	0cm	1.9°C	0mm	0.1kPa	2m/s
04:00 ☾	-0.2°C	0mm	86%	0cm	1.8°C	0mm	0.09kPa	2m/s
05:00 ☾	-0.2°C	0mm	87%	0cm	1.8°C	0mm	0.09kPa	1.9m/s
06:00 ☾	-0.1°C	0mm	87%	0cm	1.8°C	0mm	0.09kPa	2m/s
07:00	1.4°C	0mm	85%	0cm	3.7°C	0mm	0.12kPa	2.7m/s
08:00	2.8°C	0mm	83%	0cm	5.5°C	0mm	0.15kPa	3.4m/s
09:00	4.3°C	0mm	81%	0cm	7.3°C	0mm	0.19kPa	4.1m/s
10:00	4.4°C	0mm	84%	0cm	6.9°C	0mm	0.16kPa	3.6m/s
11:00	4.6°C	0mm	87%	0cm	6.5°C	0mm	0.12kPa	3.1m/s
12:00	4.7°C	0mm	91%	0cm	6.1°C	0mm	0.09kPa	2.6m/s
13:00	4.9°C	0mm	93%	0cm	6°C	0mm	0.07kPa	2.8m/s
14:00	5.2°C	0mm	95%	0cm	6°C	0mm	0.05kPa	3.1m/s
15:00	5.5°C	0mm	97%	0cm	6°C	0mm	0.03kPa	3.3m/s
16:00	5.6°C	0.01mm	97%	0cm	6°C	0mm	0.03kPa	3.1m/s
17:00	5.7°C	0.02mm	97%	0cm	6.1°C	0mm	0.03kPa	2.9m/s
18:00 ☾	5.7°C	0.03mm	97%	0cm	6.2°C	0mm	0.03kPa	2.7m/s
19:00 ☾	6°C	0.02mm	97%	0cm	6.3°C	0.02mm	0.03kPa	2.8m/s
20:00 ☾	6.2°C	0.01mm	98%	0cm	6.5°C	0.04mm	0.02kPa	2.9m/s
21:00 ☾	6.4°C	0mm	98%	0cm	6.7°C	0.06mm	0.02kPa	3m/s
22:00 ☾	6.5°C	0mm	98%	0cm	6.8°C	0.08mm	0.02kPa	2.9m/s
23:00 ☾	6.5°C	0mm	98%	0cm	6.9°C	0.1mm	0.02kPa	2.9m/s
Sun, Mar 8 Sunrise 06:44 Sunset 18:01
24:00 ☾	6.6°C	0mm	98%	0cm	7°C	0.13mm	0.02kPa	2.8m/s

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

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