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UK weather maps show next 5 day heatwave with 36C temperatures in days

Express Published Jun 29, 2026 Reviewed Jul 2, 2026 ✓ Reviewed by citations.press editors
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The UK is facing a four-day heatwave with temperatures up to 36°C in southeast England, according to ECMWF forecast maps.
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ECMWF
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On Wednesday, July 8, southern England is forecast to reach 30°C to 33°C, with isolated pockets possibly reaching 35°C.
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On Thursday, July 9, temperatures in southern and eastern England could reach 35°C to 36°C, with much of central England above 30°C.
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The Met Office’s long-range forecast for July 3–12 indicates temperatures will rise through the period and may become very warm or hot in places during the working week after the weekend.
Met Office
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Temperatures in Wales are forecast to range from around 24°C to 30°C early in the week, and later to mid to high 20s during the peak heat.
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Scotland is forecast to remain cooler, with temperatures generally ranging between 15°C and 26°C during the heatwave period.
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Northern England is forecast to see highs generally between 24°C and 29°C during the heatwave.
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Parts of East Anglia, eastern England, and the East Midlands are forecast to reach 30°C on Monday, July 6.
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Temperatures in Wales are forecast to reach the high 20s on Wednesday, July 8.
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Temperatures in Scotland are forecast to range between 21°C and 25°C on Thursday, July 9.
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Much of the Midlands is forecast to reach the upper 20s on Monday, July 6.
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Britain could be heading for its next heatwave, with a four-day spell of intense summer heat set to push temperatures as high as 36C in southeast England. The latest ECMWF forecast maps indicate temperatures will steadily build through the first full week of July, with the hottest conditions expected on Thursday, July 9, when large parts of southern and eastern England could see highs ranging from 30C to 36C.

The warm-up begins on Monday, July 6, with temperatures already climbing to 30C across large parts of southeast England and isolated pockets reaching 31C. Temperatures of 30C are also shown extending into parts of East Anglia, eastern England and the East Midlands, while much of the Midlands is forecast to reach the upper 20s. Wales could see highs of around 24C to 30C, while Scotland remains considerably cooler, with temperatures generally ranging between 15C and 26C. Northern Ireland is forecast to reach around 23C to 25C.

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By Wednesday, July 8, a broad swathe of southern England is coloured in the deepest shades of red on the forecast maps.

Temperatures of 30C to 33C are shown with isolated pockets potentially reaching 35C in southeastern England.

The maps also indicate temperatures of 27C to 30C extending into the Midlands, while much of Wales reaches the high 20s.

Northern England is forecast to see highs generally between 24C and 29C, while Scotland remains cooler, with many areas sitting between 21C and 25C, although parts of eastern Scotland could reach 26C.

The heat then looks set to intensify on Thursday, July 9.

Forecasts valid shortly after midnight already show widespread values of 30C to 35C across much of England, before a later update for 6pm suggests temperatures could climb even higher during the day.

The projection shows some areas of southern and eastern England reaching a staggering 35C to 36C.

Much of central England is forecast to remain above 30C, with Wales seeing highs in the mid to high 20s.

Scotland is again expected to avoid the worst of the heat, with temperatures generally ranging from the mid-teens to the low 20s.

As part of its long-range forecast for Friday, July 3 to Sunday, July 12, the Met Office says that during the working week after the weekend, "temperatures will rise through the period, perhaps becoming very warm or hot in places."

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