UK Weather: Brief Cooldown Expected to Temporarily Break Prolonged Heat Wave

The United Kingdom is bracing for a temporary respite from its extended heat wave this weekend, as cooler northerly winds are forecast to lower temperatures across Scotland, Northern Ireland, and northern England. However, the national weather reports indicate that much of the country, particularly southern England, will remain warmer than average, continuing a pattern that has seen temperatures meet or exceed the official heat wave threshold for 12 consecutive days.

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cooler northerly winds will lower temperatures by several degrees, particularly across Scotland, Northern Ireland, and northern England.

This brief cooling trend offers little relief to the nation's parched soils. High pressure is expected to maintain dry and sunny conditions, with some areas like Wisley in Surrey and Herstmonceux in East Sussex approaching 30 days without rainfall. The persistent dry spell, coupled with high water demand, has already led to hosepipe bans affecting over eight million households in England.

While temperatures are anticipated to rebound quickly after the weekend, with southern England potentially reaching 30 degrees Celsius (86 degrees Fahrenheit) again, a more dramatic shift is projected for the end of the month. Weather maps from forecaster WXCharts suggest temperatures could peak near 35 degrees Celsius (95 degrees Fahrenheit) around July 25, only to plummet by as much as 15 degrees Celsius (59 degrees Fahrenheit) within 48 hours.

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high pressure will keep the weather dry and sunny, with places like Wisley in Surrey and Herstmonceux in East Sussex approaching 30 days without rainfall.

By July 29, the majority of the UK is expected to experience below-average temperatures. Looking ahead to August, the Met Office forecasts a transition to more unstable weather, including the possibility of rain, showers, and thunderstorms, especially in the northern regions. These volatile shifts align with warnings from climate scientists about the increasing frequency of "climate extremes" becoming the new normal in the UK.

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temperatures are projected to peak near 35 degrees Celsius (95 degrees Fahrenheit) around July 25. However, this heat is expected to dissipate rapidly. Within a 48-hour period, temperatures could plunge by as much as 15 degrees Celsius (59 degrees Fahrenheit), bringing below-average temperatures to the majority of the UK by July 29.

Data from the Met Office reveals that the hottest day of the year in southern England is now typically 4.5 degrees Celsius warmer than in the 1961–1990 period, indicating a significant warming trend. Mike Kendon, a climate information scientist with the Met Office, highlighted that the UK's warmest year on record, 2025, was the sixth time this record has been broken in the 21st century. With warming occurring at approximately 0.25°C per decade since the 1980s, Kendon anticipates this record will likely be broken again in the coming years.

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climate extremes are becoming the new normal.