The weather forecast from the Met Office:

A cloudy start to the day with extensive hill fog, bright or sunny spells will develop but mist and low cloud is likely to affect the windward hills and coasts throughout the day.

A moderate south or southwest wind will gradually fall light, temperatures will reach 15 or 16 Celsius in the north this afternoon but several degrees cooler on the windward coasts

Mostly cloudy tomorrow, some brighter intervals may develop during the day, sunny spells on Thursday and Friday