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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the DailyCity weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The latest Met Office outlook for the UK shows no immediate heatwave, but temperatures are expected to climb into the mid-20s across southern England by late May, with a moderate chance of a heatwave developing in the southeast.
What does the UK weather forecast heatwave outlook say for the next week?
The 7 day weather forecast heatwave uk picture remains unsettled in the north, with rain and brisk winds. However, the bbc weather and Met Office models signal a warming trend from mid-May, particularly inland. The heatwave uk next week scenario is unlikely, though a brief warm spell could affect the southeast by the weekend.
How might spring temperatures develop into a heatwave?
The uk spring weather forecast suggests a gradual transition to above-average values. The 14 day weather forecast heatwave uk indicates a 40% probability of heatwave thresholds being reached in parts of East Anglia and the Home Counties. A settled high-pressure pattern is needed for sustained heat.
What is a heatwave in the UK?
The Met Office defines a heatwave as a period of at least three consecutive days when daily maximum temperatures meet or exceed a local threshold – for example, 28°C in London and 25°C in northern England. Thresholds vary by county.
When is the next heatwave likely in the UK?
Based on the uk weather forecast heatwave met office monthly outlook, a heatwave is most probable from late May through July. The chance rises to 50% for the second half of June, but short-term fluctuations are common.
How can I check if a heatwave is coming?
Use the live ranking above, the 14 day weather forecast heatwave uk tool on our UK weather hub, or check bbc weather and the Met Office app for updates. The Moderate Rainfall Warning page also includes heat alerts.