Mountain weather
Southwest Highlands
Confidence
Lower confidence for cloud detail and rainfall amounts on Sunday across the area. High confidence for unsettled conditions throughout the period and period of heavier rain later on Monday. Keep up to date with the latest forecasts.
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This eveningSunrise:Sunset:
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Sun 16 AugSunrise:Sunset:
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Mon 17 AugSunrise:Sunset:
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Further outlook
This evening forecast
Cloudy through the evening with occasional drizzle or light rain, a few brighter spells further south and east, light westerly winds.
Mountain weather hazards
Hazards apply at or above 300m, reflecting the more severe conditions which can occur at altitude.
Poor Visibility
Strong Sunlight
Mountain weather forecast
Cloudy and wet at times during the morning, drier in the afternoon, light winds.
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Time
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Time |
00:00
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03:00
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06:00
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09:00
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12:00
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15:00
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18:00
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21:00
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|---|---|---|---|---|---|---|---|---|---|
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Weather
(at 800m)
|
Weather symbols | ||||||||
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Chance of
precipitation (at 800m)
|
Chance of precipitation |
30%
|
30%
|
70%
|
50%
|
40%
|
30%
|
20%
|
20%
|
Wind direction and speed
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
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15:00
|
18:00
|
21:00
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|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | SW 15mph knots
SW
15mph |
S 15mph knots
S
15mph |
SW 13mph knots
SW
13mph |
SW 14mph knots
SW
14mph |
SW 14mph knots
SW
14mph |
SW 12mph knots
SW
12mph |
SW 11mph knots
SW
11mph |
SE 9mph knots
SE
9mph |
|
900m
|
900m | SW 10mph knots
SW
10mph |
SW 9mph knots
SW
9mph |
SW 9mph knots
SW
9mph |
SW 10mph knots
SW
10mph |
SW 11mph knots
SW
11mph |
SW 10mph knots
SW
10mph |
SW 9mph knots
SW
9mph |
S 8mph knots
S
8mph |
|
600m
|
600m | SW 11mph knots
SW
11mph |
SW 10mph knots
SW
10mph |
SW 8mph knots
SW
8mph |
SW 10mph knots
SW
10mph |
SW 12mph knots
SW
12mph |
SW 11mph knots
SW
11mph |
SW 10mph knots
SW
10mph |
SE 6mph knots
SE
6mph |
|
300m
|
300m | S 5mph knots
S
5mph |
S 5mph knots
S
5mph |
SW 4mph knots
SW
4mph |
SW 6mph knots
SW
6mph |
SW 8mph knots
SW
8mph |
SW 7mph knots
SW
7mph |
SW 4mph knots
SW
4mph |
SE 3mph knots
SE
3mph |
|
Glen
|
Glen | SW 3mph knots
SW
3mph |
SW 3mph knots
SW
3mph |
SW 3mph knots
SW
3mph |
SW 6mph knots
SW
6mph |
SW 8mph knots
SW
8mph |
SW 7mph knots
SW
7mph |
S 4mph knots
S
4mph |
S 3mph knots
S
3mph |
Wind gust
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 18mph | 18mph | 16mph | 18mph | 18mph | 17mph | 14mph | 10mph |
|
900m
|
900m | 13mph | 12mph | 12mph | 14mph | 15mph | 14mph | 12mph | 10mph |
|
600m
|
600m | 14mph | 13mph | 11mph | 14mph | 16mph | 15mph | 13mph | 7mph |
|
300m
|
300m | 8mph | 7mph | 8mph | 10mph | 13mph | 11mph | 9mph | 5mph |
|
Glen
|
Glen | 6mph | 7mph | 8mph | 11mph | 13mph | 13mph | 10mph | 6mph |
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Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C |
|
900m
|
900m | 7 degrees Celsius 7°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C |
|
600m
|
600m | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C |
|
300m
|
300m | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C |
|
Glen
|
Glen | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
2600m
|
2600m
|
2500m
|
2600m
|
2700m
|
2800m
|
2900m
|
2900m
|
|
Time
|
Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|
|
1300m
|
1300m | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 0 degrees Celsius 0°C | 1 degrees Celsius 1°C | 3 degrees Celsius 3°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C |
|
900m
|
900m | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 4 degrees Celsius 4°C | 5 degrees Celsius 5°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C | 7 degrees Celsius 7°C |
|
600m
|
600m | 6 degrees Celsius 6°C | 6 degrees Celsius 6°C | 7 degrees Celsius 7°C | 8 degrees Celsius 8°C | 8 degrees Celsius 8°C | 9 degrees Celsius 9°C | 9 degrees Celsius 9°C | 10 degrees Celsius 10°C |
|
300m
|
300m | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 10 degrees Celsius 10°C | 11 degrees Celsius 11°C | 12 degrees Celsius 12°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C |
|
Glen
|
Glen | 13 degrees Celsius 13°C | 12 degrees Celsius 12°C | 13 degrees Celsius 13°C | 13 degrees Celsius 13°C | 14 degrees Celsius 14°C | 14 degrees Celsius 14°C | 15 degrees Celsius 15°C | 15 degrees Celsius 15°C |
| Freezing Level | Freezing Level |
2600m
|
2600m
|
2500m
|
2600m
|
2700m
|
2800m
|
2900m
|
2900m
|
Additional weather information
Meteorologist's view
Gentle winds won't help lift persistent low cloud. A dull day for much of the day, best chance of brightness in the south and east.
Weather
Cloudy with outbreaks of rain and drizzle in the early morning. A cloudy start to the day with rain and drizzle during the morning, areas of low cloud will be persistent at times especially in the west with only gentle winds. The best chance of drier and brighter conditions in the afternoon. Mist and fog forming readily in the evening.
Chance of cloud-free hill tops
20% due to rain and drizzle, perhaps improving to 40% in the afternoon.
Low cloud and visibility
A cloudy day in general with persistent low cloud affecting hills in the north around Lochaber and Glencoe where bases will be overcast above 300m for much of the day with poor visibility at times in light rain. Further south around Arrochar and the Trossachs low cloud will be more broken above 400m.Visibility will be moderate for most of the day but often falling poor or less than a couple of kilometres in light rain.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Weather
Cloud and light rain in the early morning with rain turning heavier during the morning particularly around Lochaber. Rain will become heavy and persistent across Argyll and the Trossachs in the afternoon and evening accompanied by fresh southerly winds. Rain clearing east later in the evening.
Chance of cloud-free hill tops
20%, perhaps clearer in the far north.
Maximum wind speed expected
Southerly 10-15mph
Temperature
- At 800m Plus 8 Celsius
- Glen Plus 12 rising to Plus 16 Celsius.
- Freezing level Above all summits.
Low cloud and visibility
Broken or overcast low cloud layers above 200m for most of the day. Cloud bases perhaps slightly higher in the east.
Ground conditions
No recent ground conditions report available.
Mountain weather information
Tue 18 Aug
Bright and dry in the east, cloudy with the chance of rain in the west, fresh westerly winds.
Wed 19 Aug
Bright or sunny spells but turning into a showery day with some heavy or possibly thundery showers in the west later, fresh winds.
Thu 20 Aug
Showery with some bright weather, winds turning northerly but mostly light. Feeling cooler than lately.
Summit specific forecast
Including Ben Nevis, Glen Coe and the rest of Lochaber, Argyll including the Isles, Loch Lomond, Trossachs and Arran