Britons could experience an unusual overnight heat surge later this month, with weather maps indicating temperatures may remain as high as 22°C after midnight. The ECMWF weather model suggests parts of the country will barely cool after sunset, particularly in the West Midlands.
Shropshire is tipped to be the warmest area, with temperatures staying at 22°C at midnight on Wednesday, May 27. Gloucestershire, the Cotswolds, and parts of Cheshire could see 21°C into the early hours, while southwest Wales, including Carmarthenshire and Pembrokeshire, may also hold at 21°C.
Overnight readings of 20°C are forecast across much of Northern Ireland and areas around Greater Birmingham, including Wolverhampton. The southwest, including Bristol, Bath, and Somerset, is set for a tropical-style night near 20°C, with parts of southwest Scotland, such as Dumfries and Galloway, also reaching 20°C.
London is forecast to remain milder at around 18°C, while eastern areas like Norwich, Cambridge, and Northampton could be cooler at roughly 15°C. Parts of the Midlands, including Leicester and Derby, may hover near 19°C. The overnight warmth follows an equally balmy evening on May 26, when temperatures could hit 23°C across the Midlands and Shropshire.
The Met Office's long-range forecast from May 22 to May 31 indicates "very warm weather" during the Bank Holiday weekend, with high pressure bringing fair conditions. It states: "High pressure is expected to bring a good deal of fair, warm weather to the UK during the Bank Holiday weekend. Temperatures are expected to be above normal, feeling very warm at times with light winds."
