All the parts of England facing a 24C mini-heatwave next week have been revealed. Weather maps and charts, from WX Charts, show a fresh plume of heat sweeping the country around May 2, from 3pm, with 24C temperatures due to bake the south.

Counties set to roast include Greater London, Surrey, Berkshire, Hampshire, Wiltshire, Sussex, Bedfordshire, Hertfordshire and Buckinghamshire.

The whole of the UK is expected to hover above 18C when it comes to the thermometers, too, according to the early projections from the site, which uses Met Desk data, with southwest Scotland and the southeast around London also climbing to 21C on Friday afternoon.

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A short-term Met Office forecast spanning on from April 24 explains: “Mostly fine with some warm sunny spells today. Low cloud and fog patches lifting to leave a mostly dry day with some warm sunny spells, though remaining cool near North Sea coasts.

“Isolated showers developing Wales and southwest England, with rain reaching the west of Northern Ireland later.” The April 24 evening forecast adds: “Rain edging across Northern Ireland and into the extreme west of Scotland and Cornwall overnight.

“Dry elsewhere. Clear spells, though low cloud developing across many central and eastern parts.” Looking ahead to Friday (April 25), the Met Office adds: “Rain and a southerly breeze affecting Northern Ireland and some other westernmost areas.

“Dry elsewhere with lighter winds, and low cloud breaking to give some warm spells of sunshine.” The o utlook for Saturday to Monday adds: ” Patchy rain moving east across Scotland, England and Wales on Saturday. Bright ahead and following this.

“Wet and breezy in the north on Sunday, otherwise settling down with warm sunshine.” The BBC says temperatures will be slightly above seasonal averages with some rain at first, getting gradually warmer towards the end of April and into May.

A drier trend is likely to continue later in the forecast period, along with temperatures at least slightly above those we’d expect at this time of year.