23rd September 2018 10:31

More Rain And Wind Today Then Pressure Rises To Settle The Weather Down

Although unsettled at the moment, the final week of September has a more settled look about it especially over England and Wales as pressure rises strongly across the country. By tomorrow an anticyclone becomes established, so we can expect lots of dry, quite pleasant weather during the coming week when it'll become progressively warmer.

High pressure building over the UK tomorrow

There'll be some chilly nights though at first, with further mostly ground frosts in sheltered rural valleys as far South as the Midlands. The North and West of Scotland and Northern Ireland will be breezier and more changeable at times.

This morning sees a complex area of low pressure in the English Channel giving dull, wet weather across South Wales, much of the Midlands, East Anglia and the South. Some places will have drizzle, others heavier bursts of rain, before the weather clears from the West this finally reaching East Anglia and the South East mid-late afternoon. There'll then be some sunshine but also scattered showers.

Low pressure in the south today

Winds'll freshen from the North or North West making it quite blustery later, with gusts of 40 to 50mph likely along exposed coasts of Norfolk and Kent for a while into the afternoon. This'll make it feel particularly cool for late September, with top temperatures at best only 13 to 16C.

North Wales and the North Midlands are also beginning cloudy with patchy rain possible here too for a while, but across most of northern England, Scotland and Northern Ireland, it's a bright start but a cold one. Braemar saw -2C first thing, but sunny spells will soon lift temperatures, but with a scattering of showers. These are mainly in the West at the moment, but showers will develop elsewhere through the morning. Not everywhere will see them, but a few will be heavy giving local hail. The showers could even be wintry on the highest hills before beginning to fade from in the West, with Northern Ireland, in particular, seeing lengthening sunny spells towards evening. It'll be chilly though in a North West wind that'll be fresh and blustery at times, with top temperature mostly in the range 10 to 14C.

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Temperatures this afternoon

Showers continue to fade into the evening, becoming confined to the Northern Isles and the North of Scotland overnight, as pressure rises strongly across the country. This'll leave clearing skies and as a North West or Westerly wind decreases it'll turn quite cold, with temperatures widely falling into single figures. There'll be a ground frost from the Midlands northward, with temperatures dropping below freezing around dawn in some Scottish glens, vulnerable rural valleys of northern England and also perhaps around the Welsh borders. A few mist or fog patches will form as well, but these'll be relatively short-lived, with minimum temperatures mostly 3 to 6C in the North and 4 to 8C in the South.

There'll be a few showers across Orkney and Shetland tomorrow morning where a Westerly wind will moderate later, but as an anticyclone becomes established over England and Wales, it'll become mainly dry into the new working week. There'll be sunny spells particularly at first and later in the day, and while some patchy cloud will develop, this shouldn't spoil an agreeable day too much. Lighter winds will make it feel quite pleasant by the afternoon in most parts, but it'll feel chilly in any breeze, with top temperatures only 12 to 14C in the North and 16 to 18C in the South.

A mainly dry evening and night will follow with clear spells developing over the bulk of the country. Light winds will allow it to turn chilly again after dark, with a ground frost, mist and few fog patches forming towards dawn mostly in rural valleys. Lowest temperatures 3 to 7C, but 0 to 2C in the coldest spots. The exception will be Highland and the North of Scotland where the patchy cloud could give some drizzle across the Northern Isles. There'll also be more of a South Westerly breeze, that'll keep it milder, with temperatures here unlikely to fall below 8 to 10C.

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