A fragmenting belt of rain moves eastwards across Britain and away into the North Sea during the morning. Brighter spells following with sunshine breaking through, and much of central & southern England & Wales then dry through the day. A few showers coming in from the west, most frequent northwest. Bursts of rain setting in for periods across Scotland and Ireland, these locally thundery. A fresh southwesterly breeze with highs of 16 to 23C.
Showers generally fade into Sunday night giving a dry night across much of the UK. A new band of rain moves into the west of Ireland however, spreading across the country and into southern parts of Northern Ireland by morning. Cloud builds from the west over the UK through Sunday night with the best of the clear skies over eastern and southern England and eastern Scotland. Overnight lows range from 7 to 12C.
High pressure across southeastern Britain brings a dry, sunny and warm day to much of England and Wales. Fronts draped across western Scotland and Ireland will produce cloud and rain, heaviest for the West Highlands. Largely dry toward northeast Scotland. Some cloud and patchy rain may drift onto Irish Sea coasts of Wales and Cumbria. Breezy in the northwest, light winds southeast. Highs from 16 to 24C.
A frontal system is likely to remain over northwestern Britain and Ireland, with areas of rain and low cloud, some heavy bursts for a time. Some uncertainty about the extent of rain into northwest England. Central & southern England & Wales more likely dry, with sunshine best in east & southern counties. A southerly breeze, strongest in the west. Highs 17 to 20 west & north, 23 to 26C Midlands & southeast.