The Met Office has sounded the alarm for a potentially sizzling summer in the UK, warning that a heatwave is significantly more likely than previously thought. A new long-range forecast from the national weather service increases the probability of hot weather to 30%, up from just 10% in May.
This revised assessment comes as a result of favourable atmospheric patterns and warmer sea surface temperatures, which are expected to persist throughout the summer months, paving the way for high-pressure systems to dominate over the UK. The increased risk applies across the country, but southern England is particularly vulnerable, with regions like London, Kent, Essex, and parts of East Anglia likely to experience prolonged periods of above-average temperatures.
Even in Scotland, Wales, and Northern Ireland, above-average temperatures are forecast, although the frequency and intensity of heatwaves might be slightly lower than in the south. Still, moderate increases in temperature can pose risks, especially for vulnerable populations, such as the elderly and those with pre-existing health conditions.
The Met Office defines a heatwave as at least three consecutive days of temperatures meeting or exceeding specific thresholds, varying by county. To stay safe during hot weather, residents are advised to drink plenty of water, avoid strenuous activity between 11 am and 3 pm, seek shade, and wear light, loose-fitting clothing.