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Northerly chill bringing a widespread frost tonight as high pressure stays well in charge

High pressure continues to dominate the weather across the UK and is set to stay right up to the end of the month.


Issued: 20th January 2022 10:40

High pressure is still dominating the weather, and it doesn't look set to move very far anytime soon - even at 10 days out, most of the forecast models still have high pressure very close to or on top of the British Isles.

A northerly outbreak has given eastern parts of Britain a "glancing blow", but showers near the east coast have predominantly been of rain and are now dying out. Some light showers will continue in Norfolk for much of the day. There is also an associated veil of stratocumulus affecting northern Scotland and parts of eastern England, especially counties bordering the North Sea.

Some showers continuing in the east of England today

It looks probable that much of north Scotland will brighten up during the day today, but some eastern parts of England will hold onto a lot of cloud for much of the day. It will also increasingly cloud over in Northern Ireland. Elsewhere, it will be sunny and dry. The northerly outbreak will ensure that it will be cooler than on recent days for most parts of the UK, reaching between 4 and 6C in most parts of the country, but 7 or 8C will widely be reached in Northern Ireland and south-west England, perhaps 9 or 10C in some spots in the south-west.

Frost will develop widely over England and Wales and southern and central Scotland tonight, with clear skies and light winds, and the cloud near the east of England will tend to dissipate through the afternoon, evening and overnight. Temperatures may fall as low as -5 or -6C in some spots, with -1 to -3C widespread. Northern Scotland and Northern Ireland will be cloudier and will stay mainly frost-free, with temperatures staying up at 3 or 4C in most places.

A cold night tonight, with a widespread frost

Tomorrow

High pressure will become centred over the south-west of Britain rather than the west, and this will bring a cloudier day to Northern Ireland, western Scotland, north-west England and north and west Wales.

High pressure centred to the southwest of Britain on Friday

It will be predominantly sunny for eastern Scotland and the east and south of England, although fog patches that develop overnight could prove slow to clear in some parts of the south, where winds will be light. It looks set to stay dry, except for some light drizzle in the north-west of Scotland. With a generally westerly flow developing, it will be a little warmer for most than today, with highs of between 6 and 9C for much of the country.

The cloudier weather in the north and west of Britain will tend to spread to other parts of the country during the following night, so although some parts of eastern England, especially East Anglia, will start with a frost, it will generally lift as the cloudier weather moves in.

The weekend and beyond

The weekend looks set to be mainly dry and cloudy, with westerly winds bringing plenty of cloud and moisture into our area of high pressure. Still, there will be some sunny breaks, mainly in sheltered eastern and southern parts of the country and in the south-west, closest to the centre of the area of high pressure. It will generally be dry, but some light rain will affect the west and especially north-west of Scotland for much of Saturday and Sunday. Temperatures will mostly reach highs between 7 and 9C, and fall to 4 to 6C overnight, although where skies clear, most likely in the south-west of Britain and sheltered eastern parts, they may dip close to freezing, allowing some frost and fog patches.

Next week will continue with high pressure, and with high pressure mostly centred over the south of Britain, there will be some sunny spells to the east of high ground and over the south of England, but Northern Ireland, western Scotland and north-west England, will generally be cloudy.

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