Atlantic low-pressure systems have ended the historic United Kingdom heatwave on Monday, June 29, 2026, bringing cooler air, breezy winds, and thundery showers across northern regions while the south retains sunshine.
According to reports from yourweather. co.
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uk and peterboroughtoday. co.
uk, temperatures are dropping significantly toward seasonal averages after the city of Peterborough endured record-breaking June highs of almost 40 degrees Celsius last week.
The shift brings daytime highs of 17 to 18 degrees Celsius in the north and 22 to 24 degrees Celsius in the south on Tuesday, as heavy rain tracks through north-central England.
Although a brief return to warm and dry conditions is expected by Friday, meteorologists warn that extreme temperatures could return to England during the first week of July due to a potential new heatwave.
Forecast for Early July
Elizabeth Rizzini, Lead Weather Presenter at BBC Weather, provided details regarding the long-range atmospheric conditions tracking toward western Europe.
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"An area of high pressure extending from the Azores at the end of the week could end up being parked over the UK and parts of western Europe from the weekend and into early next week," said Rizzini.
Current forecasts indicate that temperatures could begin rising again from Sunday, July 5, 2026, onward, potentially reaching highs of 31 degrees Celsius by Thursday, July 9, 2026.
"It is not out of the question that this could turn into another heat dome with rapidly rising temperatures and more sunshine," added Rizzini.
The Met Office's long-range outlook aligns with these projections, pointing toward a continuation of settled, dry weather across southeastern parts of the country.
"While it is still a long way off, it is possible that the heatwave threshold will once again be triggered in south-eastern parts of the UK in early July," said Rizzini.
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In the short term, Peterborough is expected to see a gradual temperature increase throughout the week, starting at 21 degrees Celsius on Monday and reaching 26 degrees Celsius by Saturday.
