It isn't all doom and gloom; in south-west London, Merton Police have tried to lighten the mood by tweeting a picture of two snowmen, dressed in police garb and a row of police vans with faces drawn in the snow:
Forecasters have predicted it could be the coldest March in 50 years. In 1962, average temperatures for the month were 2.8C.
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Sunday is expected to be the hottest day, with the mercury due to top 26C in London.