Hot weather to intensify in UK over bank holiday weekend

It's likely that the first heatwaves of 2026 will be declared on Sunday as a number of areas are expected to reach their third day above the heatwave threshold, including in London and the south-east, as well as Cardiff. Locally in the south Midlands and south-east England, it could hit 30C on Sunday, which would be relatively rare for May. Days exceeding 30C - known as "very hot" days by the Met Office - used to be much rarer. …