On Thursday there will be fog patches at first. But most areas will see bright or sunny periods, although it will be cloudier in the west with mist and fog near Hampshire's coast. It will be mild, and becoming pleasantly warm in the sunnier periods by the afternoon. The winds will be light with a maximum temperature of 20 °C.
Thursday night: southern parts will be misty and cloudy with fog patches. The clear spells in northern counties will allow temperatures to fall. With generally light southwesterly winds the minimum temperature will be 4 °C.