Friday
Largely dry for central, south and eastern regions of England on Friday; broken cloud and sunny spells, fair weather cloud building with time. Showery rain for northern and western regions of Scotland and Ireland, some showery bursts extending eastward during the day and becoming quite heavy. Some showers too for northwest England and Wales. Fresh westerly breezes in the north and west, lighter winds further south. Highs up to 24 to 27C central and southeast England, 18 to 22C for Wales, northern England and Ireland, 16 to 18C for Scotland.

Friday Night
Showers will continue to affect west Scotland and northwest England overnight, generally scattered in nature. Some showers will drift eastward across northern parts of Ireland too. A few coastal showers forming in west Wales. Elsewhere will be dry with cloud breaking for clear skies, the best of clear skies in eastern areas. Cloud will linger over East Anglia, with outbreaks of showers in the later overnight hours. Lows of 8 to 10C for most, up to 13C in the east of England.

Saturday
Higher pressure across southern areas of the country on Saturday where most will stay dry with broken cloud and sunshine, best in the southeast; also becoming sunnier around coasts in the west and southwest during the day. North and west Scotland will be affected by showers, these pushing inland for several afternoon hours. Some light showers or drizzle in northwest England and western coasts and hills of Wales, mainly in the morning. Westerly breezes in the north, light winds in the south. Highs 28C southeast England, 25C Midlands, 19 to 22C further north and west, nearer 16C west Scotland.

Sunday
High pressure moves into northern Europe on Sunday allowing for an Atlantic low pressure system to move toward southwest Ireland, where rain may develop and turn heavy. Otherwise a dry day for most of Britain and Northern Ireland with sunny spells and feeling rather warm and humid. Hazy high cloud toward the southwest, high cloud tending to spread more widely with time. Some light showers in north Scotland. Warmest south and east, highs 25 to 29C, further northwest 18 to 22C, or 16C west and northern Scotland.