The new high was measured in Kew, west London.
The UK could break its record for the warmest day of the year for the second day in a row today, with temperatures up to 33C (91F) forecast after a 2025 high of 32.2C (90.0F) in London yesterday.
Forecasters are expecting temperatures to climb to a peak of 33C on Sunday in the east of England.
The Met Office said a reading of 32.2C was clocked in Kew, west London, on Thursday afternoon
Heat health alerts remain in place across England as Suffolk becomes the first area to enter a heatwave.
Temperatures could peak at 33C on Friday to break Thursday's record for hottest day of the year.
The UK could break its record for the warmest day of the year for the second day in a row today, with temperatures up to 33C (91F) forecast after a 2025 high of 32.2C (90.0F) in…