The Northwest Highlands Forecast

Areas north from Knoydart in the west, and the Great Glen towards the east (NB. Does not include Mull and areas west of Loch Linnhe, these are found in the West Highlands forecast.)

Viewing Weather Forecast for Monday 25th September 2017
Forecast last updated on Monday 25th September 2017 at 7:40am

Today | Tuesday | Wednesday

Summary for all mountain areas

An almost stationary front will lie down the spine of the country. Many areas will have rain and extensive low cloud, with bursts of heavy rain in places. To the west of the front, westernmost summits, particularly Wales will be substantially dry.

Headline for The Northwest Highlands

Rain and low cloud, mostly eastern hills. West dry and intermittently clear.

How windy? (On the Munros)

Southeasterly around 10-15mph, but 20-25mph for a few hours middle of the day, mainly Caithness/Sutherland.

Effect of wind on you?

Mostly small

How Wet?

Rain, on and off; but little or none coastal hills.

Occasional rain on and off on mountains well inland from west coast. Progressively west toward the coast, rain increasingly unlikely.

Cloud on the hills?

Ranging from very little near coast to extensive eastern hills

West coastal summits often cloud free, although fragments of cloud from lower slopes up here and there. Progressively eastwards, fog more extensive, in some areas from just above the valleys up, and widely above 600 to 800m.

Chance of cloud free Munros?

80% western summits to 20% east

Sunshine and air clarity?

Sunshine confined to western hills where visibility superb. Progressively duller inland; and areas of poor visibility.

How Cold? (at 900m)


Freezing Level

Above tops

Planning Outlook

All mountain areas of Britain from Tuesday 26th September 2017

During the first half of the week, an almost stationary front centred down the the spine of the country will give bursts of rain, before petering out by late Tuesday. This will bring a lot of low cloud to the mountains and there will be a marked haze. Best of the conditions will be across the northwest Highlands and at times western Wales. From the middle of next week, more typical southwest winds will bring bands of rain, low cloud, and at times strong winds, countrywide; interspersed by some largely dry and fine days.

Sponsored by
In association with
Mountaineering Council of Scotland Association of Mountaineering Instructions