Residents of Herts and Essex who have been enjoying this week's warm spell will be disappointed to hear that temperatures are to drop to just below the monthly average this weekend.The cooler weather will arrive amid thundery showers as conditions become unsettled heading into May.Tomorrow (Saturday) will see warm spells with a maximum temperature of 17C (62.6F), however, those will be interspersed with periods of rain which could be heavy and thundery.Sunday will be a wetter affair, with the...
