Western Highlands accessible from, and south of, Glenfinnan (Road to the Isles) and Glen Spean (includes Creag Meagaidh). This area includes Ben Nevis and the mountains around Glencoe. In the east, from Ben Alder south to Loch Lomond and Trossachs NP. Also Arran and Mull.
West Highlands
Thursday 14th August 2025
Last updated
Wed 13th Aug 25 at
2:58PM
Continued very humid weather, and a change toward less warmth, will lead to vary varied conditions - difficult to give detail - across the hills. Areas of rain, in places thundery, and low cloud will be most extensive morning; but an overall improvement will be slow and patchy.
Areas of rain and low cloud mostly morning: will tend to improve.
Direction variable 10mph or less; tending to become westerly and perhaps 15 or 20mph by evening.
Small
Patches rain; thundery in places. Will tend to improve.
A mix of patches of drizzly rain and heavy thundery rain will drift northwards, missing some areas whilst raining for perhaps several hours in other areas. Will tend to improve, although still rain here and there later afternoon.
Varied: some summits clearing, but overall extensive particularly near coast
Fog, sometimes from coastal cliffs up (particularly morning) and from lower slopes up up to a few miles inland. Further inland, very varied morning, areas of low cloud, but some summits free of cloud. Slowly more higher slopes and summits will clear.
20% near the coast to in afternoon 50% well inland
Ranging from frequently dull near the coast and particularly morning misty, to occasional sunshine well inland with haze gradually thinning.
13 to 16C, warmest well inland.
Above the summits
West Highlands
Friday 15th August 2025
Last updated
Wed 13th Aug 25 at
2:58PM
Generally northwesterly 10mph or less.
Negligible
Rain not expected
Very extensive; but breaking off some or many higher areas
Continued low confidence: With continuing high humidity, there may well be at least ribbons of fog from some or many valleys upward in morning. There may be little improvement all day some coastal slopes, but otherwise, increasingly the fog lifting.
20% rising to 60%
Widely dull morning, but increasingly sunshine breaking through - possibly staying dull and misty Jura and Mull. Elsewhere, fog clearing to excellent visibility
10C close to the coast to in afternoon 15 to perhaps 17C well inland.
Above the summits.
West Highlands
Saturday 16th August 2025
Last updated
Wed 13th Aug 25 at
2:58PM
Direction varied; almost calm on some summits, rarely more than 10mph.
Negligible
Rain very unlikely
Most summits cloud free, particularly afternoon
Banks of fog after dawn, in places from valleys or lower slopes up, but some areas, particularly toward the coast cloud free. By midday, still low cloud here and there, but the mountains increasingly cloud free.
30% rising to 80%
Cloud breaking (initially western mountains) increasingly widely to give bright sunshine. Excellent or superb visibility after the fog and mist clears.
Ranging between 7 and 11C after dawn to 13 to 16C afternoon, generally coldest where in cloud.
Above the summits.
High pressure, generally centred near northern Britain, will develop and persist well into next week, bringing low rainfall (although here and there thundery showers) and for most mountains extensive sunshine and light wind. Nevertheless, cloud will come and go, most widely across more eastern mountains. It will remain very warm.