Gloucestershire

Gloucester Braces for Record-Breaking May Bank Holiday Heatwave

By

Lisa Hayes
22 May 2026, 3:15 pm

Residents in Gloucester are preparing for an exceptional spell of warm weather this Bank Holiday weekend, with the Met Office forecasting temperatures to reach 30°C by early next week.

The period from Saturday through Tuesday is expected to bring mostly sunny skies and minimal rainfall. While Gloucester will see peak temperatures of 30°C on both Monday, 25 May, and Tuesday, 26 May, broader parts of southern England and the Midlands are forecast to reach as high as 33°C. Such temperatures could potentially break the all-time UK May record of 32.8°C, which was set in 1922 and has been equaled only once since, in 1944.

Climate attribution studies conducted by the Met Office indicate that the likelihood of reaching these record-breaking May temperatures is now approximately three times higher than in a pre-industrial climate, a trend linked to human greenhouse gas emissions.

In response to the rising temperatures, the UK Health Security Agency (UKHSA) has issued amber heat-health alerts for four regions of England. For the South West, including Gloucestershire, a yellow alert is in place, warning that vulnerable members of the community may face increased health risks during this period.

Public health officials are advising residents to take necessary precautions. The Met Office has rated UV levels as “high” throughout the Bank Holiday weekend, recommending that people seek shade during peak midday hours, cover up with appropriate clothing, and apply sunscreen.

Furthermore, pollen levels are expected to rise significantly, shifting from low over the weekend to moderate on Sunday, and reaching high levels by Monday and Tuesday. Those who suffer from hayfever are encouraged to plan their outdoor activities accordingly.

While the warm weather offers ideal conditions for garden gatherings and local travel, safety experts remind the public that even during warm spells, open water remains cold. Organizations including the Royal Life Saving Society UK continue to warn of the dangers of cold water shock for those planning to swim in rivers or lakes.

As the heatwave threshold—defined as three consecutive days at or above specific temperature levels—is expected to be reached across parts of the UK starting Sunday, authorities urge residents to stay informed and monitor local weather updates closely as the week progresses.

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