Cambridgeshire Neighbourhood Watch Association

England and Wales rewrite the summer record, while the fiercest September heat stays south of the Channel

Summer 2026 was the UK’s hottest on record as a whole, though not in Scotland. As southern France, Spain and Portugal face temperatures of 40C or more, Britain sits on the edge of the heat, with highs reaching the high 20s before changeable westerly winds take over.

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