Temperatures hit almost 29C on Sunday as Brits enjoyed the hottest day of the year so far.
Weybourne in north Norfolk reached 28.8C, closely followed by nearby Cromer, where the mercury rose to 28.3C.
Santon Downham in Suffolk came in at third place with highs of 28.1C.
It beat the record for the year so far set at Heathrow on Saturday, when temperatures rose to 27.6C.
Yesterday’s heat saw two guardsmen faint during a rehearsal for the Queen’s birthday parade.
The Household Division soldiers collapsed while practicing for the Trooping the Colour in sweltering 26 degree heat.
The blazing sunshine did not last, however, with clouds already closing in across the south-east and rain on the way.
Met Office meteorologist Marco Petagna said: "There are much fresher conditions moving in from the west now and things will be cooler for tomorrow.
"We will see a mixture of sunshine and showers with most of the showers towards the north and west - it will be mostly dry throughout the south-east.
"The top temperatures tomorrow will be around 21C."
The joint warmest days of 2019 before this weekend were previously April 19 and May 15, when highs of 25.8C were recorded, in a year when all four of the UK nations reached their warmest Easter Monday on record.
The average temperature for June is 17C.
