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The UK’s third heatwave of the summer is imminent - what to know

How does 2025 heatwave compare to record-breaking summer of 1976?
  • The UK is set to experience its third heatwave of the summer, with temperatures expected to exceed 30C in some areas this week.
  • The Met Office has warned of warm and uncomfortable nights as temperatures are forecast to climb from Wednesday.
  • An official heatwave is anticipated by Friday, requiring three consecutive days of high temperatures to meet the criteria.
  • Temperatures could reach the low 30s by Friday and Saturday, with increased humidity making nights uncomfortable.
  • High pollen and UV levels are also expected, though the UK is likely to avoid the extreme temperatures seen in the Mediterranean.
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