Wednesday
A very hot Wednesday across central and southern England into eastern Wales with sunshine and dry conditions. A frontal zone over central and southern Scotland and Northern Ireland brings outbreaks of rain, some heavy and potentially thundery in places. Northwest England as well as northwest Wales will also see some patchy rain. Mostly light winds, but some gusty southwesterlies in the west. Temperatures climbing into the mid 30s for much of central and southern England and east Wales, 21 to 27C across northern England, west Wales and Ireland, 17 to 21C through Scotland.

Wednesday night
Patchy rain affects northern into central England including Wales overnight. The far south and southeast will remain mainly dry. Further north, spells of rain, heavy at times into western Scotland. Some scattered showers onto western coasts of Ireland. Otherwise largely dry. Lows at 10 to 17C.
 

Thursday
Thursday sees outbreaks of rain affect much of Scotland, heavy bursts within some blustery winds across northern regions here. Showery lighter rain through the Borders into northern England as well as northwest Wales. Scattered showers affecting western coasts of Ireland too. Some showers, locally heavy and potentially thundery, pushing through the Midlands into East Anglia. Otherwise sunny spells and dry conditions. A little cooler with westerly breezes though still very warm across southeast England with highs here reaching up to 29C. Highs 18 to 22C further north and 24 to 27C central areas.

Friday
Largely dry for central, south and eastern regions of England on Friday, but a chance of localised showers, possibly thundery. A greater expectation of rain and showers for northern and western regions of Scotland and Ireland, some showery bursts extending eastward during the day. Some showers too for northwest England and Wales. Fresh westerly breezes in the north and west, lighter winds further south. Highs 17 to 22C north and west, coolest western Scotland, up to 24 to 27C central and southeast England.