Temperatures have soared above 30C for the first time this year – and meteorologists forecast the chance of Britain experiencing a hot summer is now 45% – 2.3 times the normal figure.
The warning leaves the nation braced for a possible repeat of last year’s record-breaking heatwave which triggered wildfires, disrupted rail transport, closed schools, led to thousands of premature deaths and saw temperatures break the 40C record in the UK for the first time.