Weather maps show an Arctic blast is set to sweep across Britain with the mercury plunging as low as -1C, with snow likely to fall on higher ground View 5 Images (Image: WX Charts)

An Arctic chill is poised to sweep across the UK, with temperatures predicted to plummet to a chilly 0C , according to weather maps. Come 6am on October 21, parts of northern Britain could see the mercury barely rise above freezing, with single-digit temperatures expected across most of the country, as per maps created using Met Desk data by WX Charts today (October 6). ‌

If these long-range predictions hold true, Northern Ireland, Scotland, Wales, the North of England and parts of the Midlands will be in the icy grip of this cold snap overnight on October 22, as indicated by WX Charts' maps. D

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