Friday
Low pressure remains over the British Isles on Friday though it slides eastwards. Spells of rain continue to affect southern and eastern Scotland into northern England where it will feel chilly. Patchy rain across parts of north and east Ireland and Northern Ireland though easing off here. Rain spreads across west and south Wales into southwest England and then on to more southern English counties. Sunny spells and developing showers elsewhere, some heavy and thundery across England. Drier across north and west Scotland as well as western parts of Ireland. Highs across the northeast at 15 or 16C, 18 to 21C elsewhere.

Friday Night
Overnight, some showers affect England and Wales, thundery along eastern coasts, though many places will remain dry. Dry with clear spells across the west, though mist and fog is likely to develop through the early hours. Chillier than of late with lows at around 7 to 12C for most, 13 to 15C across SE England.
 

Saturday
A ridge of high pressure bringing a mostly dry day across Ireland and the UK on Saturday with some sunny spells, once mist and fog patches lift. Some patchy rain is expected across parts of England, mainly further east but this should gradually clear through the day. Cloud building across Ireland and Scotland later in advance of an Atlantic front moving in here overnight. Highs at 22C in southern England, 16C in northern Scotland.

Sunday
An Atlantic area of low pressure sits to the west of the UK on Sunday. A mild to warm day is expected for many. Mostly dry though cloud and rain will push in across Ireland, Northern Ireland and push into western Scotland. Some patchy rain perhaps affecting parts of west Wales and Cornwall. Highs at 24C across central southern England, 19 to 20C further north.