Mountain Weather
Information Service
West Highlands Forecast

West Highlands

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.

Saturday's Forecast

Gale force, walking arduous
Patchy rain or drizzle
Poor visibility
Cool to mild

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Click here to download the latest PDF Last Updated Fri 7th Aug 26 at 3:59PM Last Updated Fri 7th Aug 26 at 3:59PM
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Viewing Forecast For

West Highlands
Saturday 8th August 2026
Last updated Fri 7th Aug 26 at 3:59PM

Summary for all mountain areas

Ranging from persistent gales, and increasingly toward west and north, rain and fog across the Scottish Highlands to blustery but largely dry Cumbria and S Scotland. Extensively warm and sunny elsewhere.

Headline for West Highlands

Gales or severe gales. Increasingly wet from northwest. Fog.

How windy? (On the Munros)

Southerly 40-55mph most of day. Slow drop in speed toward evening. Strongest wind Mull, west of and summits just east of Loch Linnhe. Least wind Loch Lomond NP, perhaps only 35mph Arran

Effect of the wind on you?

Challenging conditions with significant wind chill; strongest gusts may knock you over.

How Wet?

Rain near/west of Loch Linnhe, gradually extending south and east

Rain rarely before late morning or midday patches of rain begin to develop more widely. Through afternoon, rain progressively setting in, although very little Arran and perhaps southern hills in Loch Lomond NP until early evening.

Cloud on the hills?

Becoming extensive

Fog persistent or by midday persistent from 200 to 450m up west of Loch Linnhe and Mull to Arran. Cloud base a little higher other western mountains. Elsewhere, central highlands and north from Rannoch Moor, cloud base 600 to perhaps 900m (highest near & north of Glen Spean).

Chance of cloud free Munros?

Almost nil

Sunshine and air clarity?

Extensively dull with poor visibility.

How Cold? (at 900m)

8 to 10C, warmest well inland Loch Lomond NP. Feeling like -5C in direct wind.

Freezing Level

Above the summits.

Viewing Forecast For

West Highlands
Sunday 9th August 2026
Last updated Fri 7th Aug 26 at 3:59PM

How windy? (On the Munros)

Westerly 20 to 30mph, generally strongest higher summits near and north of Glencoe. Possibly 40mph at first southern hills.

Effect of the wind on you?

Arduous walking at times with notable wind chill higher areas Lochaber.

How Wet?

Drizzly showers

Drizzly rain on and off within 10 miles or so of the general lie off the coast of Lochaber. Otherwise, early rain will clear southwards, perhaps leaving the odd drizzly shower. Very wet underfoot western mountains after previous rain.

Cloud on the hills?

Persistent on higher areas; lowest cloud base toward coast

Cloud base typically between 450 and 600m within a few miles of west facing coasts. Inland base will rise(widely very low at first), reaching 900 to perhaps 1000m central highlands and Loch Lomond NP.

Chance of cloud free Munros?

20%

Sunshine and air clarity?

Patches of sunshine developing, though little sun Lochaber. Varied visibility, often good but poor in rain.

How Cold? (at 900m)

7C. Feeling near or below freezing in direct wind.

Freezing Level

Above the summits.

Viewing Forecast For

West Highlands
Monday 10th August 2026
Last updated Fri 7th Aug 26 at 3:59PM

How windy? (On the Munros)

Northwesterly 15mph, dropping to very low speeds by afternoon, perhaps earlier.

Effect of the wind on you?

Small

How Wet?

Well scattered showers

Here and there a brief shower; not heavy.

Cloud on the hills?

Confined to higher tops

By late morning, cloud rare below 1000m, although within a few miles of the coast there may be patches near 800m. In afternoon, many summits clearing completely.

Chance of cloud free Munros?

20% rising to 70%

Sunshine and air clarity?

Patches of sun - perhaps through areas of high level cloud. Excellent or increasingly superb visibility.

How Cold? (at 900m)

6C, rising a degree or so near the coast, but to 12C well inland.

Freezing Level

Above the summits.

Planning Outlook

Extensively fine and warm early next week - indeed very little rain or low cloud and frequently light winds England and Wales all week. Generally less settled after midweek northwestwards across Scotland where occasional rain and areas of low cloud.