Saturday
Low pressure is centred to the northwest of Ireland on Saturday. Cloud and heavy rain in western parts of the UK and Ireland. Brighter with some showers in western Ireland in the afternoon. Drier in central and eastern parts at first but cloud increasing in the afternoon with rain arriving later. Staying dry in the far northeast and southeast of the UK until the evening. Temperatures at 11 to 15C for most, but 17C in southern England and Ireland.

Saturday Night
Rain edges eastward across the UK overnight, lingering over eastern parts of England and Scotland through Sunday morning. Showers follow to the west affecting far western parts of Ireland, Scotland, Wales and England. Drier for central areas. Clearer skies to the west with overnight lows falling to 7 to 12C; cooler to the west, staying milder to the east.
 

Sunday
A wet day for many on Sunday as low pressure becomes slow moving over the UK. Rain could be heavy at times to the east and may lead to localised flooding. Drier and brighter in Ireland and western parts of the UK. High temperatures at 11 to 13C in the rain, 15 or 16C in the brighter weather.
 

Monday
A band of showery, sometimes heavy, rain spreads from west to east across the UK and Ireland as low pressure is centred to the northwest. Strong winds, potentially gales, affecting western areas. Sunny spells and showers follow behind the rain to the west. The southeast likely to stay dry until the evening. Highs at 11 to 15C.