An Amber warning for extreme heat remains in force across Walton-on-Thames until 9pm tonight as the Met Office warns of temperatures reaching 34 degrees Celsius. The warning, which covers Surrey and stretches across the London and South East England region, carries a medium impact and medium likelihood assessment. Residents face another day of intense heat before cooler conditions begin to edge in from the west over the weekend.
Daytime highs are forecast to peak between 32 and 34 degrees, while overnight temperatures will barely dip, staying in the high teens with some spots lingering in the low twenties alongside high humidity. The advice from forecasters remains straightforward: keep out of the midday sun, wear light clothing and apply sunscreen. The Amber alert was first issued at 11:11am on 24 June and has held firm through a week that rewrote the June weather records.
The heatwave reached a historic peak on Friday when Santon Downham in Suffolk provisionally hit 37.3 degrees — the third consecutive day a new June maximum was set for the UK. Met Office Chief Forecaster Andy Page said: “Friday marks the peak of the heatwave in terms of temperatures and the third consecutive day of record-breaking June heat. This exceptional heat has been unprecedented for June and is another marker on how climate change is shifting the dial on temperature extremes in the UK.” The previous June record of 35.6 degrees had endured since 1976, matched only by 29 June 1957, but this week it was overtaken by more than a full degree.
Wales also set a new daily maximum for the month when Bute Park in Cardiff recorded 35.9 degrees on 25 June, while several locations posted their highest-ever night-time minimums. With the southeast holding onto the warmth longest, the Met Office has kept the Amber warning in place for Walton-on-Thames and surrounding areas through Saturday evening. Residents hoping for relief should see fresher conditions arrive by Sunday as the westerly influence pushes the extreme heat away from the region.
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