Saturday
A fine summer's day across central and southern England, with prolonged sunshine and very warm conditions. Further north, Northern Ireland, northern England and much of Scotland will remain cloudier, with occasional light rain, becoming more persistent across the Hebrides later in the day. Highs of 20 to 22C for most areas, rising to around 28C across southern and eastern England.

Saturday Night
Cloud and outbreaks of rain will persist across northern parts of Ireland and western Scotland through the evening and overnight, with the chance of some light rain extending into northwest England. Elsewhere it will remain dry with lengthy clear spells. Minimum temperatures of around 14C in the north and 19C in the south.
 

Sunday
Sunny skies and very warm conditions continue across central and southern England. Further northwest, it will remain mostly cloudy with outbreaks of rain, heaviest and most persistent across northwest Ireland and northwest Scotland. Highs of 18 to 20C in the north and west, but reaching a locally hot 29C across southeastern England.
 

Monday
A cloudier day for many, with outbreaks of mainly light rain affecting Scotland, Northern Ireland and parts of northern England. Further south, Ireland, Wales and much of England will stay largely dry, with the best of the sunshine across southern England. Highs of 14 to 16C in the far north, 20 to 22C across central areas, and 28 to 29C in southern England.