What’s the hottest day recorded in London so far in 2025? Amber heat alert issued for London
The warm weather is set to continue in the capital this weekend - but what’s the hottest day recorded in London so far this year?
Temperatures are expected to rise to the mid 30s in London this weekend which will see the city have one of its hottest days of the year so far.
The Met Office has forecast temperatures in the capital could peak at a sizzling 33C on Saturday (June 21).
Saturday’s hot weather could mark the hottest temperature recorded in London for the year so far.
London’s current recorded hottest day of 2025 was yesterday (June 19) when a temperature of 32.2C was recorded in both Kew and Heathrow.
Wednesday (June 18) was the second hottest day when a confirmed temperature of 29.3C had been recorded at the city’s St James’ Park.
The government has already issued an amber heat health alert for London this weekend.
Having started yesterday around midday, it will remain in place until 9am on Monday (June 23).
When the UK is under an amber heat-health alert, it means : significant health impacts are possible across the population — especially older adults or anyone with existing conditions — and the NHS and care services may feel the strain.
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