The UK could see record temperatures for the second day in a row on Tuesday after the mercury hit 25C for the warmest day of the year so far on bank holiday Monday.
Sunseekers flocked to parks and beaches to enjoy the balmy conditions as temperatures in Liverpool reached 23C.
Monday's maximum temperature of 25.1C was later recorded in Kinlochewe, Scotland, as Britons enjoyed the long weekend and newly restored freedoms following the lifting of many lockdown restrictions.
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But the 2021 record is unlikely to last long, with highs of 27C predicted for the first day of meteorological summer on Tuesday.
Met Office forecaster Marco Petagna said: "Lots of fine, sunny weather around - if anything, temperatures up a degree or so on Monday."
Today (June 1), temperatures will reach 25C in Liverpool, with Wednesday set to have highs of 26C.
Mr Petagna added: "We're looking again at some very warm sunshine around for many northern and eastern parts of the UK, but thundery showers will start to push in across south-west England and Wales by Wednesday morning."
He said the unsettled conditions will start to feed north and eastwards across England, Wales and Northern Ireland.
Mr Petagna said: There will be a bit more cloud around to end the week, with temperatures coming back down to average, the high teens for most."
May was the fourth wettest on record for the UK, and the wettest ever for Wales.
