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Mam Tor, Derbyshire

53.35°N, 1.81°W · ~497m · 06:38 – 19:25
Updated 03:03
Temp
14°C
↓ 0.2 / 1hr
Wind
6.7
↑ 1.8 / 1hr
Condition
Overcast
Overcast
Score
5.1
Fair
Time
Condition
Precip mm
Precip %
Temp
Temp °C
Feels °C
Wind
Direction
Wind mph
Gust mph
Detail
Humidity %
Pressure
Vis km
UV Index
CAPE J/kg
Score
Mon 14 Sep Tue 15 Sep Wed 16 Sep Thu 17 Sep Fri 18 Sep Sat 19 Sep Sun 20 Sep Mon 21 Sep
03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00
Overcast Light drizzle Moderate drizzle Overcast Overcast Overcast Fog Overcast Overcast Light drizzle Light drizzle Light drizzle with sunny spells Light drizzle with sunny spells Mostly sunny Mostly sunny Mostly sunny Mostly clear near sunset Partly cloudy Partly cloudy Overcast Overcast Overcast Overcast Overcast Moderate drizzle Moderate rain Light drizzle Moderate rain Moderate rain Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light drizzle with sunny spells Sunny intervals Mostly cloudy Mostly sunny Sunny intervals Overcast Moderate rain Light drizzle Light drizzle Overcast Mostly cloudy Overcast Overcast Overcast Light drizzle Light drizzle Light rain Light drizzle Light drizzle Light drizzle Overcast Overcast Mostly cloudy Mostly cloudy Sunny intervals Sunny intervals Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Overcast Overcast Overcast Overcast Overcast Overcast Light drizzle Light drizzle Light drizzle Dense drizzle Dense drizzle Dense drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Overcast Overcast Overcast Overcast Overcast Mostly cloudy Light drizzle Light drizzle Light drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Moderate drizzle Moderate drizzle Moderate drizzle Dense drizzle Dense drizzle Dense drizzle Dense drizzle Dense drizzle Dense drizzle Light drizzle Light drizzle Light drizzle with clear spells Light drizzle with clear spells Light drizzle with clear spells Light drizzle with clear spells Clear Mostly clear Partly cloudy Mostly cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy near sunset Partly cloudy Partly cloudy Partly cloudy Partly cloudy Partly cloudy
- 0.1 0.9 - - - - - - 0.1 0.3 0.1 0.1 - - - - - - - - - - - 0.7 2.6 0.2 2 2 - - - - 0.1 - - - - - 1.5 0.1 0.1 - - - - - 0.2 0.2 0.4 0.1 0.1 0.1 - - - - - - 0.1 0.1 0.1 0.1 0.1 0.1 - - - - - - 0.1 0.1 0.1 1 1 1 0.4 0.4 0.4 0.2 0.2 0.2 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.7 0.7 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.3 0.3 0.3 0.1 0.1 0.1 - - - - - - 0.1 0.1 0.1 0.5 0.5 0.5 0.7 0.7 0.7 0.1 0.1 0.1 0.1 0.1 0.1 0.7 0.7 0.7 1 1 1 1 1 1 0.1 0.1 0.1 0.1 0.1 0.1 - - - - - - - - - - - - - - - - - - - - - - -
40% 100% 100% 70% 35% 35% 35% 35% 40% 90% 100% 90% 75% 10% 0% 10% 5% 10% 15% 25% 30% 30% 35% 70% 100% 100% 95% 100% 100% 75% 25% 30% 25% 80% 25% 10% 0% 10% 65% 100% 80% 85% 30% 25% 35% 30% 55% 85% 90% 95% 95% 95% 95% 30% 30% 15% 15% 10% 10% 65% 80% 85% 80% 75% 70% 15% 15% 15% 20% 20% 30% 85% 90% 95% 100% 100% 100% 85% 80% 80% 70% 70% 70% 70% 80% 80% 80% 75% 80% 80% 80% 85% 90% 90% 90% 85% 80% 80% 80% 85% 90% 85% 85% 85% 70% 70% 65% 20% 20% 20% 20% 20% 25% 75% 85% 90% 90% 85% 85% 85% 90% 90% 90% 90% 90% 90% 90% 85% 85% 90% 90% 100% 100% 100% 100% 100% 100% 80% 75% 70% 65% 65% 65% 20% 20% 30% 30% 30% 30% 25% 15% 15% 10% 10% 10% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5%
 
14° 14° 14° 14° 14° 14° 14° 15° 15° 16° 16° 17° 18° 18° 18° 17° 16° 16° 15° 15° 15° 15° 15° 15° 15° 14° 14° 14° 12° 12° 12° 12° 13° 13° 14° 14° 14° 14° 12° 11° 11° 11° 11° 11° 10° 10° 10° 10° 10° 10° 10° 10° 9° 10° 10° 11° 11° 12° 12° 12° 12° 12° 11° 11° 10° 10° 9° 9° 9° 9° 9° 9° 9° 9° 10° 10° 11° 11° 11° 11° 11° 11° 11° 11° 11° 10° 10° 9° 9° 9° 9° 9° 9° 9° 9° 9° 8° 8° 8° 8° 9° 9° 9° 10° 10° 11° 12° 12° 13° 13° 13° 12° 11° 11° 11° 11° 11° 12° 13° 13° 13° 13° 13° 13° 13° 13° 14° 14° 15° 15° 15° 16° 16° 15° 15° 15° 15° 14° 13° 13° 12° 11° 10° 10° 9° 8° 8° 7° 7° 8° 9° 10° 11° 12° 13° - - - - - - - - - - -
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SW WSW WSW WSW WSW WSW WSW WSW WSW SW SW SW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW SW SW SW SW SW SW W W W W W W W W W W W W WNW WNW W WNW W WNW W W WNW WNW WNW WNW WNW WNW WNW WNW WNW WNW WNW WNW W W W W W W WSW WSW WSW SW SW SW SW SW SW WSW WSW WSW W W W W W W W WSW WSW WSW WSW WSW W W W W W W W W W W W W W W W W W W WSW WSW WSW WSW WSW WSW SW SW SW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW SW SW SW SW SW SW SW WSW WSW WSW WSW WSW W W W W W W W W W W W W WSW WSW WSW WSW N N N N N N N N N N N
7 9 9 9 9 8 9 10 9 11 10 12 13 15 16 12 13 14 13 15 16 14 14 14 13 13 16 15 15 18 19 15 18 14 16 15 19 17 13 15 12 11 10 11 11 10 11 12 12 12 12 12 11 13 13 13 13 13 13 13 14 14 12 10 9 9 10 11 12 13 13 14 14 14 15 15 15 15 16 16 17 18 18 18 17 16 15 13 13 13 13 14 15 15 15 15 15 14 15 15 16 16 17 18 19 20 20 20 19 18 17 17 17 17 17 16 17 17 17 17 17 17 16 15 15 15 14 15 17 17 18 18 18 19 19 19 18 17 16 14 13 11 10 9 8 7 6 6 5 5 6 6 7 7 7 - - - - - - - - - - -
13 16 17 17 16 15 16 19 18 21 18 22 24 28 30 24 25 26 25 29 30 27 27 27 26 26 32 29 29 34 36 28 34 27 30 29 35 32 25 30 24 21 19 21 22 20 22 24 24 23 22 21 21 24 25 25 25 25 25 25 26 25 23 19 17 17 18 20 21 23 24 25 25 26 26 27 28 28 29 29 31 33 34 33 31 29 27 24 23 23 25 26 27 28 28 27 27 26 27 28 29 30 31 33 35 37 38 37 35 33 32 31 31 30 30 30 30 31 31 31 31 30 29 28 27 27 27 27 31 32 33 33 34 34 34 34 33 31 29 26 23 20 17 15 13 12 10 9 9 9 10 12 13 15 15 - - - - - - - - - - -
 
100 99 100 99 99 100 100 100 97 93 96 94 89 84 78 77 84 87 93 94 91 93 97 95 99 98 97 98 99 96 94 92 91 88 78 72 66 64 82 97 94 93 94 94 94 94 95 94 95 96 96 96 96 93 90 87 86 85 85 86 87 88 88 88 88 88 88 88 88 89 90 92 94 96 97 97 96 95 94 91 85 76 72 74 80 85 88 89 91 93 94 95 95 94 94 94 95 95 95 95 95 94 94 91 86 79 73 69 66 67 73 82 89 92 94 95 95 94 93 94 95 96 96 96 96 96 95 94 92 92 91 91 91 92 92 93 93 93 93 93 93 93 93 93 94 95 95 95 93 90 84 79 73 67 64 - - - - - - - - - - -
962 962 961 961 961 962 962 962 962 962 962 962 961 961 960 960 960 960 959 959 959 958 957 957 956 956 955 955 955 955 955 956 956 956 956 956 956 957 956 957 957 958 958 958 958 958 958 958 958 958 958 958 958 959 959 960 960 960 960 960 959 959 959 958 957 956 956 955 954 953 953 951 950 949 949 948 948 948 948 948 948 948 948 948 948 948 948 948 947 947 948 948 948 948 948 948 948 948 948 948 949 949 949 950 950 950 951 951 951 951 950 950 950 950 950 950 950 950 950 950 950 950 951 951 951 952 952 953 952 953 953 953 953 953 953 954 954 955 956 956 957 958 959 960 960 961 962 962 963 964 964 965 965 966 966 - - - - - - - - - - -
1.8 4.7 2.5 10.4 10.8 1.5 0.1 1.8 12.3 6.6 9.1 17.5 21.2 23.1 28 29.7 24.8 22.8 19.3 19 22.6 21.6 15.2 16.9 7 9 12.3 11.8 14 20 21.3 20.7 22.6 21.6 22.8 30.8 30.7 36.6 23 5.1 20 22.1 22.9 20.2 20.8 19.6 19.8 7.3 18.3 5.4 5.6 5.8 6 10.2 12 13.8 13.2 12.5 11.9 10 8.1 6.2 11.1 16.1 21 21 21.1 21.1 18.5 15.9 13.4 10.7 8.1 5.5 4.9 4.3 3.7 5.8 7.9 10 8.4 6.8 5.2 5.2 5.3 5.3 5.8 6.4 7 6.4 5.9 5.4 5 4.6 4.2 5.4 6.5 7.6 6.5 5.4 4.3 8 11.7 15.4 17.6 19.8 22 22.2 22.5 22.7 18.1 13.5 8.9 7.3 5.7 4.2 8.4 12.5 16.7 13.1 9.5 5.8 5.4 4.9 4.4 7.3 10.2 13 9.6 6.2 2.8 3 3.2 3.4 3.7 3.9 4.1 6.4 8.6 10.8 13.1 15.3 17.6 17.6 17.7 17.8 17.8 17.9 18 19.4 20.8 22.2 23.5 24.9 26.3 - - - - - - - - - - -
- - - - - - 0.3 0.7 1.2 1 1.1 2 1.9 1.2 0.5 0.2 - - - - - - - - - - - - - 0.2 0.4 0.6 1.7 2.4 1.2 2.1 2.3 1.2 0.2 - - - - - - - - - - - - - 0.1 0.7 1.3 1.9 2.6 3.2 3.5 3.1 2.3 1.6 1.2 0.7 0.1 - - - - - - - - - - - 0.1 0.7 1.5 2.3 2.6 2.5 2.3 2.2 2 1.7 1.1 0.6 0.1 - - - - - - - - - - - 0.1 0.5 1.1 1.6 2 2.3 2.4 2.2 1.9 1.5 1.1 0.7 0.1 - - - - - - - - - - - 0.1 0.5 1.1 1.6 1.7 1.9 1.9 1.7 1.5 1.2 0.8 0.4 - - - - - - - - - - - - - 0.6 1.1 1.6 2 2.3 2.3 3.6 3.1 2.5 1.7 0.9 0.1 - - - - -
20 10 10 0 0 0 10 10 10 0 20 50 60 40 20 0 0 0 0 0 0 0 0 0 0 0 20 10 10 10 10 50 80 110 120 70 70 50 60 30 70 60 70 60 60 50 20 8 25 15 10 0 0 20 40 60 70 70 80 90 100 100 80 40 10 0 0 0 0 0 0 0 0 0 10 20 40 80 130 160 150 110 90 90 100 100 80 40 20 10 20 20 20 30 30 30 20 20 20 20 20 30 40 50 50 50 40 30 30 20 10 10 0 0 0 0 0 0 0 0 0 0 0 0 0 10 30 50 80 100 110 110 100 80 70 50 40 30 30 30 20 20 20 20 10 10 0 0 0 0 0 10 10 20 20 - - - - - - - - - - -
6.4 5.6 4.9 5.5 5.7 5.9 5.8 5.2 5.3 4.7 5.1 4.4 5.1 4.3 4.0 5.4 5.2 4.8 5.1 2.9 2.7 3.5 3.5 3.4 3.2 2.0 2.4 1.6 1.6 2.0 1.4 3.1 2.9 4.5 2.8 4.2 2.8 3.4 3.8 1.7 5.3 4.6 5.3 6.0 5.7 5.0 4.6 4.0 4.0 4.0 4.3 4.5 4.6 4.0 3.9 5.0 5.0 5.1 5.1 4.9 3.6 3.7 4.2 5.0 5.5 5.5 5.2 4.9 4.5 4.2 3.9 3.7 3.6 3.5 2.7 2.6 2.5 2.8 3.9 3.7 3.5 1.9 1.7 1.8 2.2 2.6 3.0 3.6 5.0 5.0 3.5 3.2 2.9 2.7 2.6 2.9 4.2 4.3 4.2 2.8 2.5 2.4 2.1 1.9 1.5 1.1 0.8 1.1 1.6 2.0 2.2 2.3 3.6 2.4 2.5 2.6 2.2 2.1 2.0 1.9 1.9 2.1 2.7 3.0 3.2 3.3 3.4 3.3 2.0 1.7 1.6 1.3 1.1 1.0 0.9 1.0 1.2 2.2 4.0 4.6 5.3 5.9 6.5 7.0 7.4 7.7 8.0 7.0 7.1 7.1 6.9 6.7 6.4 6.2 6.0 8.8 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
Best Activity Window
WeatherDuck score WeatherDuck score Wind matters most. Rain comes next. Sky only nudges it. Temperature is off by default because layers and kit change comfort.
Day average
5.1/10
Windy, dull day
Best window
07:00-10:00
avg 5.8/10
Day average: 5.1/10
Best window: 07:00-10:00 · Avg 5.8
06:00 · 5.5/10
07:00 · 5.7/10
08:00 · 5.9/10
09:00 · 5.8/10
10:00 · 5.2/10
11:00 · 5.3/10
12:00 · 4.7/10
13:00 · 5.1/10
14:00 · 4.4/10
15:00 · 5.1/10
16:00 · 4.3/10
17:00 · 4.0/10
18:00 · 5.4/10
19:00 · 5.2/10
20:00 · 4.8/10
21:00 · 5.1/10
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
What this shows
The selected day from 06:00 to 21:00, scored from 0-10. The top line gives the day average and strongest window; the bars show how conditions rise and fall through that activity window. WeatherDuck score — Wind up to 5 mph (matters a lot) · Rain none at all (matters a fair bit) · Sky At least Mostly cloudy (matters a fair bit).
Score Customiser
WeatherDuck score
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These factors shape your score — set a comfy range for each, and how much it matters. Add more from the tray, or remove ones you don't care about. The bars update instantly.

Wind
Comfy range up to 5 mph
How much it matters
matters a lot
Rain
Comfy range none at all
How much it matters
matters a fair bit
Sky
Comfy range At least Mostly cloudy
How much it matters
matters a fair bit
Temperature
Comfy range 0 – 25°C
How much it matters
matters a fair bit
Time of day
Comfy range any time of day
How much it matters
matters a fair bit
UV
Comfy range any UV level
How much it matters
matters a fair bit
Wind direction
Comfy range any direction
How much it matters
matters a fair bit
Visibility
Comfy range at least 5 km
How much it matters
matters a fair bit
Not counted — tap to add
Day briefing

Fog and low cloud around at times

18° / 14° · Today · Mon 14

Light showers most likely in midday. West-southwesterly winds averaging around 11 mph with peaks near 16 mph, gusting to 30 mph. Temperatures range from 14C to 18C with largely cloudy skies. Watch for some visibility reduction from fog or mist.

1.6 mm
Rain total
16 mph WSW
Wind max
gusts 30 mph
2
UV max
peak 14:00
Low
Pollen
Grass
28
Air quality
Fair
Very low
Thunder
CAPE 60
Atmosphere
Cloud avg 81%
Freezing level 3,920 mup to 4,460 m
Fog risk Possible1 hr forecast
Sun & Moon
06:38 / 19:25
Sun ↑↓
12 h 46 m
Daylight
10:54 / 20:01
Moon ↑↓
Waxing Crescent
Moon phase
6% lit
Live rain radar
LIVE
Loading radar…
--:--
Light Moderate Heavy
Radar data by RainViewer
Is it muddy out there? 0.2 mm last 24 h · free account unlocks the verdict Sign up →
Ground conditions
Is it muddy out there?
A free account unlocks the local dryness verdict. No payment details.
0.2 mm
Last 24 h
15.4 mm
Last 7 days
Measured at Chapel Reservoir rain gauge, 7.2 km away
Create a free account
Rain gauges and totals stay free for everyone
What to wear
Light showers possible.
LayerItemMaterialWhy
Base Lightweight wicking tee Synthetic or light merino; avoid cotton (sweat trap) 18°C, so active hiking will be warm
Mid Light fleece (in pack) Micro-fleece or thin softshell for summits/breaks Cooler at altitude, useful on stops
Outer Waterproof jacket Lightweight breathable shell with a hood; you may not need it all day Light drizzle with 0.6mm forecast
Lower Walking trousers Quick-dry, stretch; waterproof trousers in the pack just in case Light drizzle, so walking trousers should cope
Feet Walking boots Standard boots, good grip on mixed terrain Standard conditions
Extras Hat, gloves, gaiters Pack spare mid-layer, buff/neck gaiter Cool on ridges, so extra warmth will be useful
Pack a backup. Keep one spare layer close.
Wear from the start 4 pieces
Keep in your pack 1 layer
Add before you go Weather protection

Tap an item to see why

Essential Recommended Guidance

Guidance based on the forecast, not professional safety advice. Always use your own judgement. BMC layering guide →

Essential Recommended
This is general guidance based on forecast data, not professional safety advice. Always use your own judgement. BMC layering guide →
Inversion Outlook Forecast source Met Office Seamless
UKV 2 km with UKMO Global fallback
Likelihood labels describe the model signal, not an exact percentage chance.
Morning 00:00–12:00 · Afternoon 12:00–00:00
Up to two qualifying hours before midnight join the next morning. Peak District & South Pennines region
Unlikely
Monday morning BEST
No clear window yet.
MON MORNING
No clear window
Unlikely
MON AFTERNOON
No clear window
Unlikely
TUE MORNING
No clear window
Unlikely
Tap a period for detail
Key Factors What we look for

Our inversion forecast combines five weather factors and how long favourable conditions are expected to last.

S1 · Inversion
Warm air sitting above cooler valley air — the essential ingredient for a cloud sea.
S2 · Moist Below
Whether the valley air is damp enough to form and hold cloud.
S3 · Moisture Contrast
A sharp boundary between the cloudy valley and the dry air above it.
S4 · Clear Above
Clear, dry air above the cloud layer — the better this is, the cleaner the summit views.
S5 · Wind Calm
Light winds at low levels to keep the inversion intact and the cloud sea flat.
Duration
How long the conditions hold — a sustained event gives more time to get above the clouds.
Temperature lid
0%
Valley moisture
100%
Layer contrast
0%
Summit clarity
0%
Wind speed
10%
Duration
0h
No temperature inversion detected
Valley air moist enough
No moisture contrast, diffuse profile
Saturated above, no clear cap
Too windy, mixing likely
No sustained favourable window
Create Free Account for 1 Alert
Loading…
Cloud Inversion Heatmap About this map A shaded area means several nearby locations agree — amber for possible, green for likely, blue for very likely. The bands always sit inside one another, so stronger signals appear more solid.
The purple dot marks your location.
Drag the timeline to see how the chance changes through the night.
Very likely Likely Possible
Atmospheric Profile · Edale · 229 m
Loading… Timeline
Atmospheric profile data for Mam Tor,GB
Surface Pressure

Humidity at Pressure Levels

Tap heights to compare both charts.

Higher humidity means the air is closer to saturation.

Temperature at Pressure Levels

Tap heights to compare both charts.

Warmer air above cooler air can indicate an inversion.

All heights shown equally.

Golden Hour
Today
DARKNESS
DAYLIGHT
05:53
06:18
06:38 Sunrise
06:58
07:23
Golden Hour · 40 min
Be at your summit by 06:18
Allow time to set up before the light show begins.
Monthly Inversion Chance
Illustrative relative chance by season
Illustrative — typical UK pattern
J
F
M
A
M
J
J
A
S
O
N
D
~2 proper inversion days per year. Mostly late autumn to spring.

Cloud inversions explained

What is a cloud inversion near Mam Tor, Derbyshire?

A cloud inversion happens when cool, moist air becomes trapped in valleys beneath warmer air above. If the trapped moisture turns into fog or low cloud, the hills can rise through it into clearer air and sunshine. From a summit, the result can look like a wide sea of cloud with only the higher peaks visible.

The best chance near Mam Tor, Derbyshire is a calm, settled night with moist valley air, a warm lid above and clearer, drier air over the tops. The bands on this page, from Unlikely to Very likely, describe the strength of that overall signal rather than a percentage promise, so always check timing, estimated cloud height and wind before setting off.

How to read this page. The headline outlook covers the surrounding region. Key Factors and the Atmospheric Profile describe the nearest available atmospheric profile.

See the dedicated Mam Tor cloud inversion page Read the full UK cloud inversion guide See how WeatherDuck forecasts inversions
Tonight's Stargazing
11
Very poor conditions Skies look closed in — best to wait it out.
Waxing Crescent Moon Waxing Crescent 11%
Overcast Cloud Cover Overcast 89%
Moon Times Rise 10:54 · Set 20:01
Sky Clarity 16 km Clear
Lunar Day Day 3.1
Light Pollution View map ↓
Tonight's Aurora
Aurora & Solar Wind NOAA
4.7 Planetary Kp Very Low
Wind Speed 286 km/s
Bz -1.3 nT
Density 0.9 p/cm³
Bt 4.1 nT
No significant aurora activity expected tonight.
Observed 01:54 UTC · cached 5 min

Nightly Outlook

Tonight · 14 Sep

Waxing Crescent · 11% illuminated

11/100
Best window 20:55–21:55 Lower cloud and a low or hidden moon.
Moon height above horizon DaylightGreen = best stargazing hours
18:00–10:00 next morning
Moonset 20:01 Sunset 19:25Sunrise 06:40
Every hour in detail
Hours after midnight are the following morning.
HourCloud coverMoon
18:00 31% Above horizon
19:00 33% Above horizon
20:00 45% Below horizon
21:00 50% Below horizon
22:00 85% Below horizon
23:00 98% Below horizon
00:00 99% Below horizon
01:00 100% Below horizon
02:00 100% Below horizon
03:00 100% Below horizon
04:00 100% Below horizon
05:00 100% Below horizon
06:00 100% Below horizon
07:00 97% Below horizon
08:00 87% Below horizon
09:00 84% Below horizon
Highest moon 13° at 18:00 Lunar day 3.1

Aurora Kp · 3-Day Forecast

NOAA SWPC · 3-hourly
Higher Kp = stronger geomagnetic activity = better aurora chances. For UK observers, Kp 4+ means aurora is possible from N. Scotland; Kp 5+ brings it across the whole UK.
Today
Mon 14 Sep
Unsettled
Peak Kp 3.7 at 03:00 UTC
Slightly unsettled — minor activity, no aurora expected.
9630
3.7 · 03:00
0003060912151821
Tomorrow
Tue 15 Sep
Unsettled
Peak Kp 3.7 at 03:00 UTC
Slightly unsettled — minor activity, no aurora expected.
9630
3.7 · 03:00
0003060912151821
Wed 16
Wed 16 Sep
Unsettled
Peak Kp 4.7 at 21:00 UTC
Faint aurora possible from N. Scotland.
9630
4.7 · 21:00
0003060912151821
Aurora Forecast Map
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Your Night Sky
Meteor Showers
Coming up this year
Orionids Oct 21
Oct 2 – Nov 7
Fast, with persistent trains.
Leonids Nov 17
Nov 6 – Nov 30
Occasional storms. Fast, bright.
Geminids Dec 14
Dec 4 – Dec 20
Best of the year. Bright, multi-coloured.
Earlier this year
Quadrantids Jan 4
Jan 1 – Jan 6
Strong, short-lived peak. Bright fireballs.
Lyrids Apr 22
Apr 16 – Apr 25
Sparse, sometimes glowing trails.
Eta Aquariids May 6
Apr 19 – May 28
Best before dawn. Fast meteors.
Delta Aquariids Jul 30
Jul 12 – Aug 23
Steady rates, faint. Best late night.
Perseids Aug 12
Jul 17 – Aug 24
Bright, reliable. Best summer shower.
Light Pollution Map
Understanding the stargazing score

The stargazing score combines cloud cover and moon illumination to estimate how good conditions are for observing the night sky. Cloud cover is the dominant factor — even the darkest location is useless under heavy cloud.

The Bortle scale measures light pollution from 1 (pristine dark sky) to 9 (inner-city sky). In the UK, the best accessible sites reach Bortle 2 to 3, found in areas like Northumberland International Dark Sky Park, parts of the Lake District, Snowdonia, the Brecon Beacons, and the Scottish Highlands. At Bortle 3, the Milky Way is clearly visible and dozens of deep-sky objects are observable with binoculars.

Moon phase matters: A new moon (0% illumination) provides the darkest sky. A full moon floods the sky with light, washing out everything except planets and the brightest stars. The best stargazing combines a new or thin crescent moon with clear skies.

Practical tips: Give your eyes 20 to 30 minutes to dark-adapt after arriving at your spot. Avoid looking at phone screens (use a red-light torch instead). The hours after midnight are often best, as the atmosphere settles and any remaining cloud may clear.

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