Southern Uplands
The Galloway hills eastward to the Lammermuir hills. The Cheviots (including higher hills within the adjacent Northumberland NP).
Monday's Forecast
Light wind, negligible impact
Little wind or walking hardly affected by the wind, but feeling chilly if exposed on tops. 10-15mph or less.
Sunshine and showers
A good amount of dry and bright weather, but scattered bursts of rain, some may be locally heavy.
Cool to mild
Air temperature 5 to 10C on higher terrain. Comfortable temperatures on lower terrain, but feeling chilly if exposed to wind higher up, especially if stationary. Pack extra layers.
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Light wind, negligible impact
Little wind or walking hardly affected by the wind, but feeling chilly if exposed on tops. 10-15mph or less.
Sunshine and showers
A good amount of dry and bright weather, but scattered bursts of rain, some may be locally heavy.
Cool to mild
Air temperature 5 to 10C on higher terrain. Comfortable temperatures on lower terrain, but feeling chilly if exposed to wind higher up, especially if stationary. Pack extra layers.
Viewing Forecast For
Southern Uplands
Monday 18th May 2026
Last updated
Sun 17th May 26 at
4:27PM
Summary for all mountain areas
Variable hill cloud at dawn, early rain in Wales into Lakeland and south/eastern Scotland; NW Scotland starts clear. Most cloud lifts to or above summits. Heavy afternoon showers build over the Pennines northward across most of Scotland; risk hail and local thunder. Risk lingering rain south Wales.
Headline for Southern Uplands
Early cloud and rain, heavy showers east afternoon
How windy? (On the summits)
South-southeasterly 10mph or less in the morning, a very gradual rise, reaching 15-20mph by evening, strongest wind in the west and also strong gusts around showers. Deteriorating further overnight.
Effect of the wind on you?
Fairly small, but risk increasingly blustery over western hills later in daytime, as well as where showers occur. More widely windy from dusk onward.
How Wet?
Showers, later frequent and heavy east, risk thunder
Patchy rain in morning, showery bursts possibly forming. Through afternoon, rising risk of showers mainly near and east of M74, which may be very heavy with hail and risk of lightning.
Cloud on the hills?
Lifting above most tops, then returning to high terrain in showers
Varied cloud banks at all heights in the morning, most extensive western areas. Tending to lift to upper slopes through morning and increasingly clear above tops, though Merrick may be slower to clear. Banks return towards 700-800m during heaviest showers, some ragged lower patches too.
Chance of cloud free summits?
30% rising to 80%
Sunshine and air clarity?
Glimpses of sun, turning into a patchwork of sun and cloud, best in the west mid-afternoon. Visibility becoming very good but deteriorating in showers.
How Cold? (at 750m)
3C rising to 6 or 7C. May feel near freezing in strongest gusts in showers.
Freezing Level
Slight frost inland and eastern valleys at dawn. Otherwise above freezing to tops.
Viewing Forecast For
Southern Uplands
Tuesday 19th May 2026
Last updated
Sun 17th May 26 at
4:27PM
How windy? (On the summits)
Southeasterly 35-45mph, gusty early; shifting southwesterly, easing to 30-35mph several hours, may restrengthen.
Effect of the wind on you?
Arduous walking with buffeting and wind chill in exposure; easing with time but may remain strenuous high tops.
How Wet?
Rain most of the day
Frequent showers drive in from the southwest all day, the rain quite persistent south Galloway to Moffat hills, perhaps widely persistent early. Best dry breaks towards the Lothians; risk isolated hail and thunder.
Cloud on the hills?
Most extensive west
Cloud shrouds high terrain all day, likely widely to low slopes early too. A lifting trend with time to the north and east towards 600m; may only rarely lift to middle elevations on southern slopes from Moffat hills westward.
Chance of cloud free summits?
20%
Sunshine and air clarity?
Mostly cloudy, a few sunny glimpses later. Largely poor visibility.
How Cold? (at 750m)
5 or 6C, rising to 8C, or 9C Lothians and Cheviots. Feeling like -5 to -8C in direct wind.
Freezing Level
Above the summits.
Viewing Forecast For
Southern Uplands
Wednesday 20th May 2026
Last updated
Sun 17th May 26 at
4:27PM
How windy? (On the summits)
West-southwesterly 20-30mph; risk of strengthening in the afternoon though uncertain.
Effect of the wind on you?
May be fairly small, particularly early, but quite blustery in exposure for periods.
How Wet?
Frequent rain
Patches of rain drifting across most hills from the west likely all day, a few drier windows but staying drizzly in cloud to the west. Later, a rising risk of extended heavy falls in the east. Perhaps easing as night approaches.
Cloud on the hills?
Lifting to high terrain and sometimes off tops
Extensive at dawn, to the lower slopes of Dumfries and Galloway. Bases lift through morning, mostly 700m and above, highest bases east where summits breaks are probable when dry. Breaks above 700m rarer west, and later lower bases return east as well.
Chance of cloud free summits?
Rising to 60% east for several hours, 30% west
Sunshine and air clarity?
Glimpses of weak sunshine. Variable visibility, often poor due to cloud and rain but very good windows.
How Cold? (at 750m)
6 or 7C, rising to 9C east. Least rise Ayrshire.
Freezing Level
Above the summits.
Planning Outlook
A mixed but milder outlook. Damp southwesterlies prevail for a few days as mid-week approaches with regular rain and showers, most on western hills where drizzly rain may persist between showers and persistent low cloud. Expect increasingly wet conditions underfoot and slippery rock surfaces. Also, a risk of isolated hail and lightening in the showers; showers may be enhanced in eastern Scotland in sea breezes. Indications of rising pressure later in the week, brining milder and drier conditions to England and Wales. However, some drizzle and low cloud may continue to affect western hills, with periods of rain and wind continuing to affect Scotland. Pressure may continue to rise into the weekend, allowing for warmer and sunnier conditions, but some fronts and lingering humidity will bring local periods of rain.