Thursday
Cloudy and wet with outbreaks of persistent rain across Scotland and Northern Ireland for much of the day though it will become lighter in the afternoon across eastern Scotland. Very misty and murky across central England and Wales and northern England with some drizzly rain. Fine and dry across the remainder of England but with a good deal of cloud. South eastern parts of England and some sheltered areas east of the Pennines may see a few brighter spells but generally staying cloudy for most. Look for top temperatures of 18 to 25C north to south.
Thursday Night
Sporadic outbreaks of drizzly rain will affect Scotland, north west England, Northern Ireland and Wales this evening and during the night. Elsewhere it's fair and dry this evening with mostly cloudy skies. Here it stays dry overnight with varying cloud and a few clear spells in the south east. Another mild night with lows of 12 to 16C.
Friday
For Scotland, Northern Ireland and north western England expect an overcast and damp day with outbreaks of rain and drizzle. Some drizzle too across Wales in the morning then dry and brighter for the afternoon. Central and southern England along with areas east of the Pennines stay dry with the best chance of seeing any sunshine. More rain and drizzle then across the northern half of the United Kingdom tonight with the south dry and becoming cloudy once again. Some locally dense fog patches may also develop across Wales and the south by morning. Highs of 19 to 26C.
Saturday
Some showers are expected across western parts of Scotland this morning with the rest of the country dry. Here more cloud breaks should allow more sunshine. In the afternoon some showers will also extend into Wales and northern England. The rest of England will be dry with some sunshine and feeling very warm too with the winds now from the south east. Rain moves into Northern Ireland tonight with showers in the west and around southern coasts of England. Highs of 19 to 27.