Thursday
The area of low pressure sinks south through Thursday and will bring heavy and thundry showers or longer spells of rain across much of northern England, the Midlands and Wales, eventually slipping into East Anglia and southern England. Sunshine and showers across Scotland spreading to northern England in the afternoon. Brighter across Southwest England, although even here could see an occasional shower. Scattered showers in Ireland. Highs at 23C in southeast England but 17C in central Wales and northern England as well as Ireland, 15 or 16C in Scotland.

Thursday Night
Showers fading across southern parts of England overnight. Showers will continue to affect northern coasts and hills, these moving inland across central Scotland as well as parts of Wales. Otherwise many will be dry with clear spells. A cool night and chilly start to Friday with lows at 7 to 12C.
 

Friday
A largely dry start to Friday but showers along the coasts will pep up again and move further inland through the morning. These will particularly affect Wales where they are likely to be heavy and thundery in places, as well as across parts of southwest England and East Anglia. Largely dry across Scotland with some developing sunnier intervals but plenty of cloud about too. Sunshine and scattered showers across Ireland and Northern Ireland. Highs at a fresh 16 to 21C.

Saturday
The ridge of high pressure builds to the west of Ireland on Saturday. Chilly at first in Scotland, northern England, Wales and Ireland. A scattering of showers are expected, but fewer than previous days. Odd heavy bursts though by afternoon for southern England. A mix of broken cloud and sun toward the north of England, Scotland and Ireland, just brief showers here. A light northerly breeze. Highs at 17C in Scotland, 22C in southern England.