Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Daily Press UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
A heatwave in the UK is defined as three consecutive days where the daily maximum temperature meets or exceeds a specific threshold, which varies by county. As of today, the live ranking above shows current temperature anomalies compared to historical averages for this period.
What is the official UK heatwave definition?
The Met Office sets heatwave thresholds for each UK county, ranging from 25°C in northern Scotland to 28°C in London and the South East. When a location records three days in a row at or above its local threshold, the Met Office may issue a heat-health alert. This definition applies to heatwave uk 2025 predictions and future events, including a potential uk heatwave 2026.
How long is the UK heatwave going to last?
For the most accurate answer to “how long is the uk heatwave going to last”, check the latest 10-day forecast. Typically, UK heatwaves last between three and ten days, though July 2022 saw a record-breaking spell. If you are asking about a next heatwave uk event, the live ranking above provides real-time temperature tracking for your region.
What counts as a heatwave uk today?
If your local temperature has exceeded the county threshold for three days running, it is classed as a heatwave. Check the live ranking above or the Met Office warnings page for official confirmation.
Is there a heatwave uk september 2025 predicted?
Long-range forecasts currently show above-average temperatures for September 2025, but a formal heatwave can only be confirmed three days into the event. Monitor the 10 day weather forecast UK for updates.
How does the heatwave compare to heatwave uk 2022?
The July 2022 heatwave was exceptional, with the UK’s first 40°C day. Future events are unlikely to reach that intensity, but local thresholds remain the same—check the live ranking for today’s temperatures.