27 resultsfor “UK heatwave temperatures forecast”
UK** When Cameron and Autumn, a couple from New Jersey, came to London last week, there were highs of 14C. By Tuesday the temperature had more than doubled, reaching 34C as they stood
heatwave in Paris, France. Photograph: Adnan Farzat/NurPhoto/Shutterstock The UK’s Met Office said [the country’s all-time record for May was broken](https://www.theguardian.com/uk-news/2026/may/25/uk-heat-may-temperature-record-weather) when a temperature of 34.8C was recorded
heatwave thresholds across the next few days, with temperatures widely in the high 20s and low 30s into next week. Bank holiday Monday could see the hottest May day on record as temperatures are forecast
UK, France and Germany, large parts of which are experiencing temperatures 10-15C above the climate average. Monday and Tuesday will be the peak of the heatwave in some ways, with temperatures most widely
heatwaves as high as 45C lasting for more than a week, dwarfing the [previous record of 40C in 2022](https://www.theguardian.com/environment/2022/jul/19/day-of-40c-shocks-scientists-as-uk-heat-record-absolutely-obliterated) – as well as more frequent droughts and severe flooding, according to a major
forecaster said new records were almost certain to be set for the highest May temperature recorded in [France](https://www.theguardian.com/world/france) (30.5C in 2025), and the highest average temperature across the country
UK." The heat has also affected passengers travelling on trains up and down the county, with Network Rail imposing a series of speed restrictions on tracks to keep trains safe. National rail said heat