Issued: 0900hrs Sunday 17th October 2021
Duty forecaster: Garry Nicholson
Brighter by Friday
A very mild southwesterly pattern early this week, but heavy rain will sweep in from the Atlantic. A wet spell for most places through midweek, becoming chillier as winds switch northerly, then a brighter end to the week with crisp autumn sun.
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Low pressure affects the British Isles, with heavy rain sweeping eastwards across most of England and Wales through the day. Some brighter spells in Scotland and Ireland, but expect showers to form, locally frequent for a few hours. Occasional improvements for central and eastern England. A windy day in southern areas, risk of gales around the English Channel. Fairly mild in the southeast, turning cooler across the north and west, highs between 11 and 17C.
Staying unsettled as low pressure drifts across Britain. Periods of rain, heavy in places, may persist across northern England and Wales. A spell of heavy rain clears from central and southeastern areas, but showers are likely to follow. A chilly northerly wind for Scotland and Northern Ireland with showers, these falling as snow over the mountain tops. Staying blustery around the south coast. Feeling cooler for all, highs 8 to 13C.
A brief ridge of high pressure moves in from the west. A quieter day generally with most places having dry and fair consitions with sunny spells best in the west. Some showery rain is still expected to affect eastern regions of Scotland and England. A chilly start is likely for many as the skies clear overnight, a touch of frost at dawn for Ireland and the west of Britain where sheltered. Feeling rather cool during the day, highs 7 to 12C.
A south-westerly flow moves back in as Atlantic low pressure sweeps an associated front into western regions of the UK as well as Ireland. This will bring cloud and rain to these parts. Drier elsewhere with sunshine giving way to building cloud from the west. A chilly start with frost at dawn and some fog patches. Highs recover in the west but staying cool for most at 8 to 13C.
Low pressure moves in from the west, with rain becoming increasingly widespread across Britain, heaviest in the west and southwest, accompanied by strong southerly winds, reaching gale force near exposed coasts. East and northeastern areas may stay dry for several hours. Highs 9 to 14C.
Low pressure nearby is likely to produce further areas of showers, although these may break up to leave spells of brighter weather and some sun. Winds falling lighter. Some early fog patches. Highs 10 to 14C.