Parts of Britain could be basking in major summer heat over the Easter bank holiday before the frost returns, according to weather charts.
Forecaster Ventusky predicts an out-of-season warm blast to end the week and start the next, with parts of London expected to see highs of 21C on Easter Saturday and Sunday.
Chelsea, Brixton and Morden in the west of the city are among the areas earmarked for the best temperatures.