Overnight: It will be a mostly clear night with some fog patches developing. Temperatures will fall away quickly, leading to a possible frost in prone areas.
Tuesday: Any early fog patches will soon clear, leaving a fine day with plenty of sunshine. Becoming warm by day, especially inland.
Outlook for Wednesday to Friday: After a fine cold start on Wednesday cloud will build and heavy showers develop. More cloud and breezy on Thursday with further showers. Heavy showers and windier on Friday.