Issued: 0900 Sunday 13th September 2020
Duty forecaster: Alexi Venerus
Hot in the south initially this week. High pressure then becomes established bringing largely dry conditions.
Temperatures hotting up through the first half of this week in the south with warmer temperatures further north. High pressure then becomes established in the north but with low pressure close by to the south of England expect cloudier skies and some rain here, possibly thundery next weekend.
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A weak cold front slides southwards down the UK and Ireland through Wednesday. It will bring some light rain at times but mainly just cloudy conditions as it pushes across southern Scotland in the morning and then down through England and Wales as well as Ireland in the afternoon. Behind, high pressure starts to build across northern Scotland. Hot still in the far south with highs at 29C here. It gets progressively cooler the further north you go with highs in northern Scotland around 13C.
High pressure is squeezed slowly to the northeast on Thursday as a front approaches from the west. A largely dry and fine day across much of the UK and Ireland though eastern coastal regions of England and Scotland could see some mist and fog patches developing. Cloudier to the northwest of Scotland with patchy light rain and drizzle arriving here later. Cooler in the south with highs at 23C here and 16C in the north.
High pressure holds on to the east as a weak front makes its way across northern Scotland and brushing Northern Ireland on Friday. This brings cloudier skies here and patchy, mostly light, rain. Staying dry and fine for England, Wales and Ireland although breezy in the southwest of England. Highs ranging from 14 to 23C.
Saturday could see high pressure build back over northern parts of the British Isles while lower pressure stays to the south. A largely dry and fine day for most areas though southern parts of England will be cloudier with rain brushing the southern coast. It will be breezy here too. Highs range from 13 to 22C.
High pressure still dominating the north of the UK and Ireland on Sunday, but with low pressure close by southern areas expect outbreaks of rain for parts of southern England and possibly south Wales, some of the rain could be heavy and potentially thundery at times. Turning more showery here in the afternoon. Highs range from 13C in the far northwest to 21C in the southeast.
High pressure attempts to build in over southern areas too on Monday allowing for most areas to have a dry and fine day although still cloudier in the far south of England with some showers about here. Highs ranging form 14C in the north and 21C in the south.