The Met Office warned of the heat and reminded people to stay hydrated and wear sun protection.
A 15-year-old girl died after being pulled from the sea, and a grass fire was sparked in London.
The girl was airlifted to hospital but later passed away, and a boy was discharged after receiving medical care.
The New Wimbledon theatre cancelled a performance of Charlie And The Chocolate Factory the Musical due to the heat.
Thunderstorms and heavy showers are expected to hit northern England, Scotland, and parts of Northern Ireland on Sunday evening, with up to 30mm of rain expected in some spots.
Temperatures over the weekend matched those of popular Mediterranean holiday hotspots, and fresher air is expected next week, particularly in the South East.
LONDON DAILY ARCHIVE
UK Experiences Hottest Day of the Year So Far, Tying Record with 32.2C Temperatures
The UK experienced one of the hottest days of the year so far on Sunday, with temperatures reaching 32.2C in Coningsby, Lincolnshire, tying the record set on June 10 in Chertsey, Surrey.
26 June 2023 · 05:25 UTC
