Temperatures plummet to minus 18.8C overnight as cold spell continues
It's the coldest overnight temperature to have been recorded since 2010
Last updated 11th Jan 2025
The mercury dropped to minus 18.7C in the UK's coldest January night in 15 years as the wintery weather continues.
Altnaharra, in Sutherland in the Scottish Highlands, recorded the temperature on Friday night, according to the MET Office.
It's the coldest overnight temperature the UK has seen at the start of the year since 2010, when temperatures dropped below minus 15C several times at locations across Britain including minus 22.3C on 8th January in Altnaharra.
What has the picture been like elsewhere?
Much of the UK endured below-freezing temperatures overnight, with temperatures dropping to minus 11C in Shap, Cumbria, and Heathrow recording minus 5C.
The average low in northern Scotland for this time of year is about 0.3C, while for England, overnight lows are about 1.5C to 1.6C.
The UK Health Security Agency (UKHSA) has extended its cold weather health alert for all of England until Tuesday.
Amber alerts have been extended and will now run until January 14, meaning a rise in deaths, particularly among those aged 65 and over or with health conditions, is likely, the agency said.
Today's forecast
Met Office meteorologist Zoe Hutin said Saturday is forecast to be cold too, with temperatures expected to drop widely to below freezing overnight in eastern areas.
She said: "So another chilly night to come on Saturday, but then as we go into Sunday and into Monday, then we can start to expect temperatures to recover somewhat.
"I won't rule out the risk of seeing something around or just below freezing again on Sunday night into Monday, but it won't be quite so dramatic as the temperatures that we're going to experience as we go overnight tonight."
Looking ahead to next week, she said: "We're saying it's getting milder but by no stretch does that mean (temperatures) are going to be above average, it just will feel comparatively much more pleasant than it is at the moment."
The UK has experienced a "particularly long cold spell", she said, adding: "It has been getting progressively colder each night this week, whereas looking at previous years, we've had maybe two or three days where things have been particularly cold."
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