The temperature rose to 36.0C in Wisley, Surrey on Wednesday afternoon, setting a new June temperature record for the UK.
Widely temperatures soared into the low to mid thirties elswhere across southern England and the Midlands.
In advance of the stifling heat, the Met Office extended its red warning further south towards England’s south coast. It remains in effect across parts of southern England, the Midlands and south Wales until 11.59pm on Thursday.
There is also an amber warning for extreme heat in place for a wider area of England for the whole of Friday, and another focused on the east and south-east of England on Saturday.
The previous record for the UK’s highest June temperature was 35.6C set in 1957 and equalled 1976.
However, maximum temperatures are still expected to fall just short of the UK’s all-time high of 40.3C set in 2022.
The heat and humidity could also trigger some more stormy weather, with the Met Office issuing a yellow warning for thunderstorms for south-west England, running from 6pm to 11.59pm on Thursday.
Most areas in the south-west are likely to miss the worst of the storms but they could bring disruption in places.

