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Over 20 degrees - Spring warmth for hottest day of 2026

14:32
18 March 2026

Over 20 degrees
Spring warmth for hottest day of 2026

Temperature map highlighting Northolt in West London at 20.1 °C, with nearby areas like London, Reading and Slough around 18–19 °C.The hottest day of the year was marked at Northolt, West London on Wednesday.

Temperatures have passed 20 degrees for the first time this year in West London, with many other parts of England and Wales close too.

In Northolt, West London the daily high reached 20.1 °C at around 02:00 pm.

A separate reading of 20.1 °C was also captured in Gogerddan, a historic estate in Ceredigion, Wales with 20 °C at RAF Fairford too.

It is widely the warmest day of the day, though temperatures cool slightly from Thursday into the weekend.

Ryan Hathaway
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