The UK has experienced some of the “coldest October days in a decade” this weekend with the chilly snap set to continue.
Trick or treaters have been warned to wrap up warm as it looks like there might be a bit of a bite in the air on Halloween night.
Met Office meteorologist John West said: "At the moment, we have got some some quite cold crisp weather with plenty of sunshine about. As we get to mid-week, it is going to to be increasingly unsettled.
"It will be likely less cold by Wednesday but by no means warm. If anybody is going to be out and about on Wednesday it might be a good idea to have a coat handy and maybe also a waterproof."
Snow was seen in higher parts of Scotland and north-east England on Saturday.
The Met Office expects showers will continue to hit North Sea coastal areas on Monday. Once any fog patches clear, it should be largely dry elsewhere with plenty of sunshine but still cold.
It should turn wet and windy across many eastern areas on Tuesday, with snow possible across Scottish hills.
Mr West said that by Thursday morning temperatures are expected to be around freezing for Scotland, between 4-5C in London and there may be a touch of frost in the north west with temperatures of around 2-3C.
After some woke up to flurries on Saturday Mr West said: "With temperatures [...] struggling to reach double figures across the country - these are some of the coldest October days in a decade.”
Images taken on Saturday morning showed people having to clear their cars of snow.
Temperatures are expected to recover quite slowly but it is not likely to be as wintry, forecasters said.
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