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Ben Lawers, Perth and Kinross

56.55°N, 4.22°W · ~1182m · 06:57 – 19:21
Updated 18:30
Temp
5°C
↓ 0.6 / 1hr
Wind
16.3
↓ 1.6 / 1hr
Condition
Overcast
Overcast
Score
3.5
Poor
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
Sun 20 Sep Mon 21 Sep Tue 22 Sep Wed 23 Sep Thu 24 Sep Fri 25 Sep Sat 26 Sep Sun 27 Sep
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Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Mostly cloudy Overcast Overcast Light drizzle Overcast Overcast Overcast Light drizzle Fog Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Light drizzle Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light drizzle Moderate drizzle Light drizzle Light drizzle Light drizzle Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Mostly cloudy Sunny intervals Mostly sunny Mostly clear near sunset Clear Clear Clear Mostly clear Partly cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light drizzle Light drizzle Light drizzle Moderate drizzle Moderate drizzle Moderate drizzle Moderate rain Moderate rain Moderate rain Light drizzle Light drizzle Light drizzle Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Mostly cloudy Mostly cloudy Sunny intervals Mostly sunny Mostly clear near sunset Mostly clear Partly cloudy Partly cloudy Mostly clear Mostly clear Mostly clear Mostly clear Mostly clear Mostly clear Partly cloudy Partly cloudy Partly cloudy Partly cloudy around sunrise Mostly cloudy Mostly cloudy Overcast Overcast Overcast Overcast Mostly cloudy Mostly cloudy Sunny intervals Sunny intervals Partly cloudy near sunset Partly cloudy Partly cloudy Mostly cloudy Mostly cloudy Overcast
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25% 30% 30% 30% 30% 35% 25% 10% 10% 10% 10% 80% 30% 35% 40% 100% 55% 100% 100% 100% 100% 100% 100% 100% 100% 100% 95% 95% 40% 35% 35% 35% 35% 35% 35% 35% 35% 35% 35% 35% 55% 95% 95% 95% 95% 95% 40% 30% 15% 15% 15% 15% 15% 20% 25% 25% 25% 25% 25% 25% 25% 25% 25% 25% 20% 15% 10% 15% 15% 10% 10% 10% 0% 0% 0% 15% 20% 20% 30% 35% 35% 30% 30% 30% 30% 30% 30% 25% 20% 20% 20% 25% 15% 10% 15% 65% 70% 85% 90% 90% 90% 100% 100% 100% 85% 80% 75% 30% 25% 20% 20% 20% 20% 30% 30% 30% 20% 10% 5% 5% 0% 0% 5% 20% 30% 15% 25% 25% 30% 30% 30% 30% 30% 30% 30% 35% 30% 35% 30% 30% 30% 20% 15% 10% 10% 10% 10% 10% 20% 25% 35%
 
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16 15 13 10 8 7 8 7 8 7 10 8 7 8 9 9 9 10 10 12 13 13 11 9 9 11 12 12 11 10 8 7 9 11 13 13 13 12 12 13 9 11 13 13 11 8 8 6 5 4 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 4 6 8 11 12 11 10 8 5 2 1 2 3 4 4 3 2 2 2 2 2 1 2 5 11 15 17 19 20 19 18 17 17 17 17 17 15 14 13 12 11 11 11 11 11 13 14 14 15 15 16 17 16 15 12 10 9 10 9 6 5 5 4 3 3 2 2 3 4 6 9 11 13 14 15 14 14 13 12 11 11 9 8 7 6
33 30 26 20 17 15 17 15 17 17 21 18 15 16 18 19 18 20 21 23 26 25 22 19 17 22 24 23 23 22 16 16 18 23 25 25 25 24 24 25 18 21 24 24 22 15 15 11 10 8 6 5 4 3 3 3 3 3 4 4 3 3 3 3 4 6 9 13 17 21 23 23 20 16 11 5 1 2 5 7 6 4 3 3 3 3 2 2 4 11 20 28 33 36 38 37 34 32 32 34 34 32 30 28 26 24 22 21 21 21 23 25 26 28 28 29 31 32 31 28 23 19 18 18 18 13 11 10 9 7 6 5 5 6 8 12 16 21 25 27 28 27 26 25 23 22 21 19 17 15 14
 
88 92 95 96 94 95 90 86 80 78 79 86 90 96 99 100 100 100 100 100 100 100 100 100 100 100 100 100 100 97 97 99 99 98 99 99 99 99 99 100 100 100 100 100 100 100 100 93 85 82 82 85 88 90 93 94 94 94 94 94 95 95 95 94 91 83 73 66 67 72 76 77 77 78 83 90 95 96 96 96 97 97 98 99 100 99 96 91 87 85 84 82 75 66 63 70 82 92 95 95 95 95 95 94 93 92 91 89 87 85 85 85 85 83 81 78 74 69 67 70 75 80 84 88 91 88 90 92 94 95 97 98 98 98 97 95 92 89 86 84 82 81 79 78 78 78 79 82 85 88 90
888 888 888 889 889 890 890 890 890 890 890 890 890 890 891 891 891 891 892 892 892 892 892 892 892 892 892 892 892 891 891 891 890 890 890 889 889 889 890 890 890 890 891 891 891 891 890 890 890 890 889 889 889 889 888 887 887 887 886 886 886 886 886 886 886 887 887 887 887 887 887 888 888 888 888 887 887 887 887 887 886 886 885 884 884 884 884 884 885 884 884 883 883 882 882 881 880 879 878 877 877 877 877 876 876 876 876 876 876 877 877 878 879 879 879 880 881 882 882 882 882 882 882 882 882 883 883 883 882 882 881 881 880 880 880 880 881 881 881 881 881 881 880 880 879 879 878 877 877 876 875
38.8 35.5 31.6 28.7 32.8 28.9 38.9 42.6 46 46.3 38.1 36.7 31.7 20 4.2 4.4 0.1 0.1 0.1 0.1 0 0.1 0 0 0 0 0.1 0.1 5 23 24.2 8.4 12.8 16.8 13.1 10.9 9.3 7.7 6.9 6.2 4.3 0.1 0.1 0.1 0.1 8.1 6.2 29.4 34 28.9 23.4 22.5 21.6 20.4 19.2 18 17.8 17.6 17.5 17.3 17.2 17 18 19 20 22.3 24.5 26.7 23.3 19.8 16.4 19.1 21.8 24.5 21.8 19.1 16.4 16.2 16 15.8 14.3 12.8 11.3 10.6 9.8 9.1 13.4 17.7 22 22.4 22.8 23.2 23.8 24.5 25.1 18.3 11.4 4.6 4.3 3.9 3.6 3.4 3.2 3 8.6 14.2 19.8 20.8 21.7 22.6 21.7 20.7 19.7 20 20.3 20.6 22 23.4 24.8 24.4 24 23.6 22.2 20.8 19.4 19.2 19 18.8 17.5 16.2 14.8 13.5 12.2 10.8 10.9 11 11.1 11.2 11.2 11.3 13.4 15.6 17.7 19.8 21.9 24 21 18.1 15.1 12.1 9.1
0.1 - - - - - - - - - - - - - - 0.2 0.3 0.6 0.8 1 1 0.8 0.4 0.2 - - - - - - - - - - - - - - - 0.2 0.4 0.4 0.4 0.5 0.5 0.4 0.4 0.3 0.2 - - - - - - - - - - - - - 0.4 0.9 1.3 1.6 1.8 1.9 2 1.9 1.8 1.4 0.8 0.1 - - - - - - - - - - - - 0.4 0.8 1.3 1.6 1.8 1.9 1.9 1.8 1.5 1 0.5 - - - - - - - - - - - - - 0.3 0.8 1.2 1.6 1.8 1.9 2 2 1.8 1.4 0.8 - - - - - - - - - - - - - 0.4 1 1.4 1.7 1.8 1.9 1.9 1.9 1.7 1.2 0.6 - - - - - -
10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 10 0 0 0 10 10 0 0 0 0 0 10 10 10 5 0 0 0 0 0 0 0 0 0 0 0 0 0 10 10 20 20 20 20 40 60 70 50 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 10 20 20 10 10 10 0 0 0 0 0 0 10 10 10 10 10 10 10 20 40 70 90 100 100 100 80 60 40 20 10 0 0 0 0 0 0 0 0 0 0 0 0 0 10 30 50 60 80 80 80 60 50 30 10 0 0 0 0 0 0
2.3 2.9 3.8 5.1 5.7 6.0 5.7 6.2 7.0 5.9 4.9 5.5 6.0 5.8 5.4 5.3 5.4 5.0 4.8 4.3 3.7 3.9 4.5 5.2 5.5 4.5 4.2 4.3 4.5 4.7 5.9 5.9 5.4 4.4 3.9 4.0 3.9 4.1 4.2 3.8 5.5 4.6 3.7 3.9 4.4 6.0 5.9 6.8 7.1 7.4 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 7.3 6.6 5.7 4.8 5.5 5.7 6.3 7.1 8.1 10.0 10.0 10.0 10.0 7.5 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 8.8 6.9 4.9 3.2 2.0 1.4 1.0 1.1 1.8 2.2 1.8 1.5 1.5 1.0 1.5 2.0 3.5 3.9 4.2 4.7 4.8 4.7 4.5 4.0 3.6 3.3 3.1 2.9 2.6 3.6 3.7 4.4 5.5 6.3 6.5 6.5 6.6 7.7 8.0 8.3 8.6 10.0 10.0 10.0 10.0 10.0 8.6 7.9 6.9 4.8 4.0 3.4 3.3 4.6 4.8 5.1 5.4 5.7 6.1 6.4 6.9 7.3 6.4
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
3.5/10
Windy, dull day
Best window
19:00-22:00
avg 3.9/10
Day average: 3.5/10
Best window: 19:00-22:00 · Avg 3.9
06:00 · Past
07:00 · Past
08:00 · Past
09:00 · Past
10:00 · Past
11:00 · Past
12:00 · Past
13:00 · Past
14:00 · Past
15:00 · Past
16:00 · Past
17:00 · Past
18:00 · 2.3/10
19:00 · 2.9/10
20:00 · 3.8/10
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

Overcast

6° / 2° · Today · Sun 20

Spells of rain most likely in morning. Westerly winds averaging around 18 mph with peaks near 25 mph, gusting to 50 mph. Temperatures range from 2C to 6C with largely cloudy skies.

5.2 mm
Rain total
25 mph W
Wind max
gusts 50 mph
2.4
UV max
peak 13:00
Low
Pollen
Grass
25
Air quality
Fair
Very low
Thunder
CAPE 30
Atmosphere
Cloud avg 92%
Freezing level 1,490 mup to 3,300 m
Fog risk Low
Sun & Moon
06:57 / 19:21
Sun ↑↓
12 h 23 m
Daylight
17:38 / 23:57
Moon ↑↓
Waxing Gibbous
Moon phase
66% lit
Live rain radar
LIVE
Loading radar…
--:--
Light Moderate Heavy
Radar data by RainViewer
Is it muddy out there? 10.8 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.
10.8 mm
Last 24 h
45.6 mm
Last 7 days
Measured at Moar rain gauge, 10.8 km away
Create a free account
Rain gauges and totals stay free for everyone
What to wear
Light showers possible and gusty winds and sub-zero wind chill; wind protection essential.
LayerItemMaterialWhy
Base Thermal base layer Heavyweight merino or synthetic thermal; avoid cotton -4°C feels temp
Mid Heavy fleece Heavy fleece or synthetic fill; not down (rain forecast) Wind chill feels like -4°C
Outer Windproof shell Hardshell or softshell; wind protection is the priority today 23 mph, gusts 45 mph
Lower Insulated trousers Softshell or fleece-lined walking trousers Sub-zero wind chill on exposed legs
Feet Insulated waterproof boots Stiff sole for frozen ground, thick socks (wool blend) Frozen ground, ice risk
Extras Warm hat, thick gloves, balaclava Windproof gloves, spare pair. Consider microspikes for ice Feels like -4°C with a risk to exposed skin
Layer up. Plan to wear the main protection from the start.
Wear from the start 5 pieces
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. Perthshire & Southern Highlands region
Unlikely
Sunday afternoon BEST
No clear window yet.
SUN AFTERNOON
No clear window
Unlikely
MON MORNING
No clear window
Unlikely
MON AFTERNOON
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
83%
Layer contrast
0%
Summit clarity
0%
Wind speed
0%
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 · Glen Lyon · 106 m
Loading… Timeline
Atmospheric profile data for Ben Lawers,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
06:12
06:37
06:57 Sunrise
07:17
07:42
Golden Hour · 40 min
Be at your summit by 06:37
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 Ben Lawers, Perth and Kinross?

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 Ben Lawers, Perth and Kinross 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.

Read the full UK cloud inversion guide See how WeatherDuck forecasts inversions
Tonight's Stargazing
3
Very poor conditions Skies look closed in — best to wait it out.
Waxing Gibbous Moon Waxing Gibbous 68%
Overcast Cloud Cover Overcast 96%
Moon Times Rise 17:38 · Set 23:57
Sky Clarity 37 km Clear
Lunar Day Day 9.1
Light Pollution View map ↓
Tonight's Aurora
Aurora & Solar Wind NOAA
1.7 Planetary Kp Very Low
Wind Speed 377 km/s
Bz 2.3 nT
Density 2.3 p/cm³
Bt 3.9 nT
No significant aurora activity expected tonight.
Observed 17:19 UTC · cached 5 min

Nightly Outlook

Tonight · 20 Sep

Waxing Gibbous · 68% illuminated

3/100
No good window tonight 96% cloud cover all night
Moon height above horizon Daylight
18:00–10:00 next morning
Moonset 23:57 Sunset 19:21Sunrise 06:59
Every hour in detail
Hours after midnight are the following morning.
HourCloud coverMoon
18:00 100% Above horizon
19:00 100% Above horizon
20:00 100% Above horizon
21:00 100% Above horizon
22:00 100% Above horizon
23:00 100% Above horizon
00:00 100% Below horizon
01:00 93% Below horizon
02:00 79% Below horizon
03:00 90% Below horizon
04:00 99% Below horizon
05:00 100% Below horizon
06:00 100% Below horizon
07:00 100% Below horizon
08:00 100% Below horizon
09:00 100% Below horizon
Highest moon 8° at 20:40 Lunar day 9.1

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
Sun 20 Sep
Unsettled
Peak Kp 3.0 at 03:00 UTC
Slightly unsettled — minor activity, no aurora expected.
9630
3.0 · 03:00
0003060912151821
Tomorrow
Mon 21 Sep
Quiet
Peak Kp 2.0 at 03:00 UTC
No aurora expected — geomagnetic field calm.
9630
2.0 · 03:00
0003060912151821
Tue 22
Tue 22 Sep
Quiet
Peak Kp 1.7 at 00:00 UTC
No aurora expected — geomagnetic field calm.
9630
1.7 · 00:00
0003060912151821
Aurora Forecast Map
NOAA OVATION Aurora Forecast
Global — OVATION Model
UK Focus
NOAA OVATION Model • Auto-refreshed
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.

Ground dryness Free with an account

Dry paths or muddy boots?

See how wet the ground is around Ben Lawers before you set off.

Your local ground report

SaturatedBone dry
  • Local ground dryness
  • Moisture below the surface
  • Recent conditions and what’s ahead

Rainfall & rain gauges Nearby observations

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Nearby rain gauges

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Planning aid, not a safety service. Check official warnings before you go.