Thursday: It will be chilly initially but stay mainly dry. Warm sunny spells will develop, particularly in Wiltshire and Gloucestershire. West Cornwall may be cloudier, perhaps catching the odd shower later. Maximum temperature 19 °C.
Outlook for Friday to Sunday: Friday and Saturday will be mostly warm and bright but with the odd shower. Sunshine could be particularly strong on Saturday. Sunday will be cloudier and breezier with occasional showers.