Britain's longest heatwave in five years is set to be tempered by fresher conditions as a cool front sweeps in from the north.
England saw its hottest day of the year so far today, with a provisional temperature of 32.4C (90F) recorded in Gosport, Hampshire, the Met Office said.
Tomorrow looks set to be the 16th consecutive day of temperatures over 28C (82F), making the scorching spell the longest the UK has seen since 2013, when there were 19 consecutive days of temperatures over 28C.
But a cool front making its way south from Scotland will see temperatures drop to the low-to-mid 20s for much of England from Tuesday, Met Office meteorologist Becky Mitchell said.
And it will be particularly cool on the east coast, with temperatures forecast in the high teens to low 20s.
After one of the driest Junes on record, there is even a chance of some isolated showers across England this week.
Ms Mitchell said: "The weather front draped across parts of the north west is slowly sinking itself south as the day (Sunday) goes on.
"Temperatures are going to cool down a bit and we're going to see fresher conditions.
"It will still be very warm, less hot than recently, with the risk across the country for showers.
"A bit of rain could be quite welcome for some people, particularly across the south."
In the North East, the Met Office says tomorrow will be rather cloudy, with the odd light shower, and some brighter spells developing later.
It will feel noticeably cooler, especially along the coast, where there will be an onshore breeze, and maximum temperatures of 18C.
The outlook for Tuesday to Thursday is often dry and sometimes sunny, with broken cloud.
It will feel pleasant inland, but cooler near the coast, with more onshore breezes.
Isolated showers are possible at times, especially on Thursday, but by Friday and Saturday the temperatures will creep back up into the 20s.