UK weather maps turn red for 28C scorcher as Brits to bask in 9-day heatwave
- Posted on May 18, 2026
- By Express
- 0 Views
- 1 min read
UK weather maps turn red for 28C scorcher as Brits to bask in 9-day heatwave
The Met Office defines a heatwave as three consecutive days above a regional temperature threshold, which varies across the UK.
