Heavy rain – seen here in Dunsden, Oxfordshire, earlier this month – could wreak havoc (Picture: Geoffrey Swaine/Shutterstock)

Balmy temperatures enjoyed this Christmas will be replaced by an overcast end to the month, forecasters have warned.

It’s warm enough today for a Boxing Day dip, if you’re brave enough. The Met Office says the weather is looking ‘bright’ for many.

But by December 27, it’s a very different story.

There are yellow weather warnings in place for huge swathes of the United Kingdom.

In England, heavy rain could cause disruption on the road and rails as far south as Cornwall and as far north as Carlisle. A yellow weather warning for wind is also in place for Kent.

In Wales, much of the country faces a yellow weather warning for heavy rain.

Up in Scotland, the Borders face similar conditions while an even larger chunk of the country – spanning Stirling to Wick – could see snow.

Rain, wind and snow could all make an appearance on December 27 (Picture: Metro.co.uk)

The Met Office has warned of a ‘small chance’ of flooding, disruption on the roads or damage to properties.

Northern Ireland has no yellow weather warnings to fear on December 27.

Tomorrow’s yellow weather warnings come after a balmy Christmas Day for many in the UK, where temperatures reached 12.4C. But it was still a White Christmas for some.

Residents in Aviemore – a town of 3,000 people in the Cairngorms – enjoyed a dusting of the white stuff on Christmas Day.

The north of Scotland has been urged to brace for snow (Picture: Jeff J Mitchell/Getty Images)

In Bude, Cornwall it was warm enough for a Christmas Day dip (Picture: Alamy Live News)

The snow mingled with sleet as it fell across the day.

Nevertheless, it was enough to result in the Met Office declaring an official ‘White Christmas’ for the UK.

Elsewhere, it was nearly the hottest Christmas on record as climate change continues to alter the forecast.

Temperatures at Exeter Airport and East Malling, Kent, have not fallen below 12.4C, beating the previous record of 11.5C measured at Waddon in Croydon in 1983.

In terms of maximum temperatures, the mercury has so far hit 13.2C at Exeter Airport and Merryfield in Somerset, which makes Monday the warmest December 25 since 2018, when meteorologists recorded 13.3C.

Forecasters had thought this year could be the warmest Christmas Day since 2016, with predicted highs of 14C, and maximum temperatures could still change.

The Met Office announced the minimum temperature record on X on Monday morning, posting: ‘It has been a very mild 24 hours across parts of the UK.

‘Provisionally this Christmas we have recorded the highest daily minimum temperature for Christmas Day on record, with both Exeter Airport and East Malling not falling below 12.4C.’

Forecaster Dan Stroud said: ‘We’re drawing our weather from the mid-Atlantic, which is typically a very warm direction for us.’

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The Met Office has warned of a ‘small chance’ of flooding, disruption on the roads or damage to properties.