Warm sunny spells are set for this afternoon, says the Met Office.
This morning will be dry and cloudy.
A Met Office spokesman said: "Cloud breaking from late morning with some very warm sunny spells developing during the afternoon. Winds generally light."
The maximum temperature will be 16 °C.
Tonight it will be dry overnight but with mist and fog patches forming in river valleys towards dawn.
Friday will be a fine, dry day with long very warm sunny periods and mostly light winds.