UK sets new June temperaturesets new June temperature record as heatwave strains schools and hospitals

The United Kingdom broke its record for a June temperature for the third consecutive day on Friday, June 26, 2026, as a severe heatwave passed over London and the south east.

Red health warnings for extreme heat remained in place across the east and south east until 21:00 BST, alerting officials to a population-wide risk of life-threatening conditions.

This historic heat event matters because it strains public infrastructure, including schools and hospitals, forcing closures and disrupting daily business across the nation.