Southern Uplands

The Galloway hills eastward to the Lammermuir hills. The Cheviots (including higher hills within the adjacent Northumberland NP).

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Viewing Forecast For

Southern Uplands
Thursday 13th August 2020
Last updated Wednesday 12th August 2020 at 3:13 PM

Summary for all mountain areas

Most mountains dry with light winds. Very warm and humid. Beware of dehydration. However, mainly on Pennines, locally gusty winds and on N Pennines and N & E Borders fog may persist. Isolated thunder mainly western mountains, but storms widespread Wales.

Headline for Southern Uplands

Very warm and humid. Little wind. Chance isolated thunderstorms.

How windy? (On the summits)

Northeasterly between 15 and 25mph, the strongest wind not necessarily on higher slopes.

Effect of the wind on you?

Fairly small.

How Wet?

Small risk thunderstorm

Largely or completely dry - although pockets of fine drizzle Borders morning, and west of M74 low risk isolated thunderstorms, giving intense rain, in afternoon.

Cloud on the hills?

Clearing most summits; but extensive much of Borders.

Banks of fog valleys and lower slopes post dawn. This will clear most areas within a few hours. However, near the Lothians and The Cheviot, fog may well persist most or all day from lower slopes up.

Chance of cloud free summits?

70%

Sunshine and air clarity?

Ranging from dull and misty near Lothians and eastern Borders to often sunny elsewhere. Hazy at best.

How Cold? (at 750m)

15C, although nearer 10C where in cloud.

Freezing Level

Above the summits.

Viewing Forecast For

Southern Uplands
Friday 14th August 2020
Last updated Thursday 13th August 2020 at 2:26 PM

How windy? (On the summits)

East or northeasterly 15 to perhaps locally 25mph - strongest winds may extent to some lower slopes.

Effect of the wind on you?

Fairly small - although sudden buffeting in gusts some lower slopes.

How Wet?

Rain very unlikely

Patches fine drizzle mainly morning Borders. Remote risk of isolated bursts of rain or possibly an isolated thunderstorm west of M74 in the afternoon.

Cloud on the hills?

May persist all day Borders; clearing Dumfries & Galloway.

Blanket fog off the North Sea continues to shroud the Border hills from lower slopes up, although toward the upper Tweed, the cloud may at times break up (a chance The Cheviot top may be just above the fog). Further west, the fog patchy in morning, and all clearing west of M74 by middle of day.

Chance of cloud free summits?

Rising to 90% west; 40% east.

Sunshine and air clarity?

Patchwork of sunshine near and west of M74; may be dull and misty most or all day elsewhere. Hazy - though excellent visibility many higher slopes.

How Cold? (at 750m)

15C, although 11C where in cloud in east.

Freezing Level

Above the summits.

Viewing Forecast For

Southern Uplands
Saturday 15th August 2020
Last updated Thursday 13th August 2020 at 2:26 PM

How windy? (On the summits)

Easterly; 10 to 15mph or less.

Effect of the wind on you?

Small.

How Wet?

Rain very unlikely

Remote risk of isolated thundery downpour afternoon west of M74.

Cloud on the hills?

Summits extensively cloud free

Patches of cloud temporarily some higher slopes in morning, and also fog in and just above many valleys for a few hours following dawn. The very low cloud may persist on even lower slopes closest to the North Sea most or all day.

Chance of cloud free summits?

80%

Sunshine and air clarity?

Intermittent sunshine, although banks of cloud above some summits. Misty or foggy widely lower slopes at first. This clearing but remaining hazy.

How Cold? (at 750m)

16C; cooler some lower slopes where in fog.

Freezing Level

Above the summits

Planning Outlook

Remaining warm and humid. However, thundery rain will become mostly confined to Wales, whilst the Scottish Highlands are extensively dry. Overall extensive sunshine, although banks of very low cloud, mainly more eastern mountains, including those in east Wales. A change to wetter and gradually less warm conditions across Britain is likely early next week.