Monday
Fresh west to northwesterly winds prevail into Monday bringing showery rain, this most frequent over the northern half of Britain and Ireland. Some frequent bursts of rain in places with local thunder, whilst nearby escapes more often dry. Generally drier across the southern half of Britain, especially to the east, with good spells of sunshine. Cool in the north and west, only 14 to 16C here. Temperatures rise to highs of 21C in the southeast.

Monday night
Cloud builds over Ireland and Northern Ireland through Monday night with rain arriving over northern and central parts of the island later. A dry night for much of Britain, away from western Scotland, with the clearest skies to the east. Showery outbreaks of rain may affect western coastal regions of Scotland overnight. Overnight lows at 8 to 11C, mildest to the west.
 

Tuesday
An area of low pressure, centred to the northwest of Ireland, brings a wet day to much of Ireland and Northern Ireland. The far southeast may stay dry until later in the day. Rain also spreads over northern England, southern Scotland and across north Wales too. This will be locally heavy. A few showers affect northern parts of Scotland but there will be spells of sunshine here too. Mostly dry and sunny across southern counties of England for much of the day but cloud builds into the evening. Highs at 13 to 22C.

Wednesday
An area of low pressure clears to the east from the southern UK through Wednesday morning but trails fronts through southern parts of England, Wales and Ireland that bring patchy outbreaks of rain here for much of the day. A brighter day for much of Scotland, Northern Ireland, northern England and northern Ireland but with a scattering of showers affecting these areas at times. Highs at 15 to 22C.