UK Weather had this to say for 18 July
“The UK heatwave is set to continue after England and Wales recorded their hottest day of the year so far on Sunday.
Highs of 31.6C (88.9F) were recorded at Heathrow and 30.2C (86.4F) in Cardiff, according to the Met Office.”
In our garden it was 33C at 3 pm. What temperature did others record, interested to hear.