Any heavy showers at first on Wednesday evening will die away to leave it mostly dry with clear spells overnight.
A cooler night with a light westerly wind.
Minimum temperature: 4 to 7C (39 to 45F).
Thursday will see some sunshine at times but with showers developing, some heavy with a risk of thunder.
Light to moderate north-westerly winds.
Maximum temperature: 11 to 14C (52 to 57F).