Uk Heatwave
Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the British News Desk weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
A UK heatwave is officially declared when a location records at least three consecutive days with maximum temperatures meeting or exceeding a specific threshold, which varies by region — typically 25°C in much of England and 28°C in London. For the latest conditions, check the live ranking above.
What defines a UK heatwave and how long will it last?
The Met Office uses a regional heatwave definition based on local climate averages. For most of England, the threshold is 25°C for three days; in London it is 28°C. For the latest outlook on the current warm spell, see the 10 Day Weather Forecast UK page. The duration of any heatwave depends on the position of the jet stream and high-pressure systems, so check the UK weather hub for updates on how long the uk heatwave is going to last.
What practical steps should you take during a heatwave?
Stay hydrated, keep indoor spaces cool by closing curtains during the day, and avoid strenuous outdoor activity between 11am and 3pm. Vulnerable people, including the elderly and those with pre-existing conditions, should take extra care. For official guidance on staying safe in hot weather, visit the NHS website.
What was the UK heatwave of 2022 like?
The uk heatwave 2022 saw record-breaking temperatures above 40°C in July, the first time the UK had exceeded that mark. It led to widespread travel disruption and health warnings, but was an exceptional event not typical of a normal summer.
Is there a UK heatwave map available?
Yes, the Met Office provides a live uk heatwave map showing current temperatures and heat-health alerts across regions. The Moderate Rainfall Warning page also links to broader weather risk maps that complement the heatwave data.
Are heatwaves linked to climate change?
Climate change increases the frequency and intensity of heatwaves globally, including in the UK. The uk heatwave 2025 and uk heatwave 2026 projections from the Met Office suggest such events will become more common without significant emissions reductions.
