Highs of 14C are possible on Wednesday as a pleasant southerly breeze will make parts of England and Wales feel as warm as Spanish holiday island Majorca.
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It will be a much-needed break from the gloomy grey weatherthat has left many Britons in need of a sunny getaway.
However only parts of the UK will enjoy above average temperatures, as it will remain cooler in Scotland and Northern Ireland with a chance of rain.
There is still the chance of an isolated shower in England and Wales but most areas of are set to be bask in balmy conditions.
From Monday there will be plenty of sunny spells, particularly across central England and Wales, as cloud cover burns away during the day.
There is still the odd chance of a wintry shower across the Highlands of Scotland where it will be more cloudy.
Winds will remain from the east but they will not be as strong as recent days resulting in a much warmer feel.
Temperatures will range from 3C-6C in Scotland to 11C in the south of England, but could climb even higher in some places.
Sophie Randall, forecaster at The Weather Channel, said: "Maximum temperatures are beginning to lift as warmer air is entrained into the easterly flow."
Cloud will move in from the south-west on Tuesday bringing a widely cloudy afternoon.
But it will be dry for most with just the odd shower in Northern Ireland.
Temperatures will remain in double figures but most in a gentle south-easterly breeze. However it will fell cooler in central Scotland and the Pennines.
The weather change really becomes noticeable on Wednesday after a slight early-morning frost clears.
Ms Randall added: "A light to gentle southerly breeze will lift temperatures to 13C and it could be even warmer in London.
"It will be slightly cooler across Scotland and Northern Ireland where there will be the widespread showers.
"The south to south-easterly winds will be light to moderate."
Conditions will be slightly cooler on Thursday but it is set to remain quite pleasant in a south-westerly breeze."