When will the UK record the first 21C / 70F day of 2018?

Dean York (Old) Frequent Poster Posts: 516	When will the UK record the first 21C / 70F day of 2018? Jun 25, 2018 18:08:18 GMT -5 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Dean York (Old) on Jun 25, 2018 18:08:18 GMT -5 Is that an official site? Highest official reading I've seen is 29.8C.

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When will the UK record the first 21C / 70F day of 2018? Jun 25, 2018 18:43:48 GMT -5 via mobile

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Is that an official site? Highest official reading I've seen is 29.8C.

Heathrow recorded 29.8c.

Hampton Waterworks is an official MO site.