Saturday
On Saturday, an Atlantic front will sweep south and east through the country. Patchy rain in the morning across north and west Ireland and Scotland, some heavier persistent rain affecting west Scotland where winds will be brisk. Patchy rain and cloud will sweep into Wales and northern England as well, most rain will only really be affecting in northwestern areas here. Sunny spells developing across Scotland through the day but patchy rain always at risk in the west here. Largely dry, fine and feeling very warm across central and southern England. Highs of 17 to 22C Scotland and Ireland, to 29C southeast England.

Saturday Night
Starting largely dry before outbreaks of rain become more widespread through the night affecting much of Scotland, and Northern Ireland but also west Wales and southwest England where the winds will become stronger. Some patchy rain affecting central and southern England but most here will stay dry. Lows 10 to 16C.
 

Sunday
Sunday sees showers across most regions throughout the day. Sunny spells here and there between showers. With time, pressure will rise over Ireland and southwest England, pushing the showers into just northern areas. There could be some heavy showery outbreaks in eastern Britain in the afternoon as some sea breezes form here. Showers ease into evening, clear skies breaking out for many around sunset, but northwestern coastal areas of Wales, Ireland, and Scotland will hold onto some cloud and light drizzle. Highs 17 to 27C.

Monday
Monday will see more cloud and outbreaks of rain affect initially western Scotland before moving into eastern regions through the day. Cloud and some rain also affecting northern England as well as northwest Ireland and Northern Ireland. Elsewhere it will be a generally fine day with sunny spells and staying dry, feeling warm still in the far southeast of England. Highs at 16C to 29C.