Cloudy and misty to begin but spells of sunshine will develop through the day with scattered showers in the afternoon.
Some of the showers will be heavy across the midlands with a chance of isolated thunderstorms and spot flooding.
Coastal mist and fog may linger through the afternoon.
Highest temperatures of 15 to 18 degrees in light southerly or variable breezes.
There'll be clear spells and isolated showers at first on Saturday night, before cloudier conditions and showery rain develops later.
Lowest temperatures 8 to 11 degrees in light southerly or variable breezes.
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