- London is forecast to experience temperatures of up to 28C on Friday, potentially marking the hottest day of the year following an unusually cool May.
- The warm weather is expected to persist into next week across England and Wales, with the possibility of a heatwave in London by Sunday if temperatures remain high.
- A heatwave in London requires three consecutive days of 28C, which Met Office meteorologists state is not yet certain for the weekend.
- Most of England and Wales, along with parts of Scotland, are predicted to see above-average temperatures, with the south-east and East Anglia likely to be the warmest regions.
- The current highest temperature recorded this year was 26.6C at Kew Gardens on 8 April.
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