There have been weather warnings issued across the UK
A widespread frost is forecast for this morning, with overnight temperatures falling to -6C in southwest England, -8C in Wales, and -10C in Scotland.
There is a maximum temperature of just 5C (41F) anticipated across the South.
According to the Met Office, the UK is likely to remain in a north-easterly air flow for several days to come, meaning it will stay cold well into the start of next week.
The UK Health Security Agency has issued amber cold health alerts in five regions North East and Yorkshire and the Humber, the East Midlands, West Midlands, North West until December 5.
Snow is expected in the Scottish highlands
National Highways is urging motorists to plan their journeys, keep an eye on the weather forecast, and take extra care on the roads.
National network manager Dale Hipkiss said: "Freezing conditions bring so many hazards such as snow and ice, please take every possible step to understand your journey in advance and allow extra time when travelling.
"Keeping a kit of essential items like a torch and warm clothes in your vehicle can be vital."