UK Weather: 26C heatwave predicted before lockdown ends

Bank holiday barbecues and beach trips will remain forbidden despite glorious weather and temperatures of almost 80F forecast for tomorrow, Downing Street insisted today.

Parts of the country are forecast to be hotter than some of the Europe's top tourist destinations including Monaco and Corfu on Friday. 

Britons are set to bask in scorching 79F (26C) temperatures tomorrow in the last three days of lockdown sun, before Arctic air brings wintry showers on Sunday and Britain goes back to work next week. 

But Boris Johnson told ministers today the Government will proceed with 'maximum caution' when it comes to easing the coronavirus lockdown.

And Downing Street confirmed this afternoon that Britons desperate for release would have to wait a little while longer.

The Prime Minister's official spokesman told reporters: 'The social distancing rules remain in place and we would ask everyone to respect them, just as they have so far.' 

People walk along the beach in Poole, Dorset, as they take their daily permitted exercise and walk their dogs during the lockdown. Today will see prolonged sunshine with tomorrow 'very warm' for most as temperatures rocket to 79F (26C)

People walk along the beach in Poole, Dorset, as they take their daily permitted exercise and walk their dogs during the lockdown. Today will see prolonged sunshine with tomorrow 'very warm' for most as temperatures rocket to 79F (26C)

A woman takes a selfie while sitting next to her bicycle on Primrose Hill in London during the warm weather. The fine spell will continue into Saturday, but many open spaces are likely to be largely empty as people stay at home amid the lockdown

A woman takes a selfie while sitting next to her bicycle on Primrose Hill in London during the warm weather. The fine spell will continue into Saturday, but many open spaces are likely to be largely empty as people stay at home amid the lockdown

A police officer approaches a member of the public sunbathing on Primrose Hill in London during the warm weather. The Government is set to announce measures to ease lockdown rules, which were introduced to fight the spread of coronavirus

A police officer approaches a member of the public sunbathing on Primrose Hill in London during the warm weather. The Government is set to announce measures to ease lockdown rules, which were introduced to fight the spread of coronavirus

Temperatures will hit up to 73F (23C) in warm spots today, but heavy and potentially thundery showers could develop in some areas of Wales.

But the warmth will be short-lived as Arctic air blasts the nation on Sunday, bringing wintry showers in the north. 

Oli Claydon from the Met Office told MailOnline: 'We could see 26C in London tomorrow and that's probably the highest we're going to see. Temperatures just a notch down on Saturday, so 24C expected in south-east then a significant drop in temperatures on Sunday.

'Quite a settled set-up with warm conditions moving in, building tomorrow and Saturday, the warmth is getting as far as France. 

'As we move into the weekend a little further, a cold front moves south across the UK, rainfall to the north of Scotland as the front moves south, the rain depletes but brings a stark contrast in terms of temperatures with a much cooler pool of air moving in across the UK.

'There are chances of wintry showers in the north, not widespread, in northern Scotland over the hills and potentially east coast, but nothing significant and won't accumulate, especially on tarmac.'

He added: 'It will be a cold start to next week, as a widespread front hits Sunday night and into Monday. Monday morning feeling really quite chilly, considering the warmth on Saturday and Sunday.

'On Sunday air is coming straight down from the Arctic maritime, an air mass which is very cold in nature, directly from the north and Arctic. It can bring wintry showers with it as travelling over the sea so gets a bit of moisture.'  

A map from the Met Office shows warm air rising from the south, reaching as far as France. Oli Claydon told MailOnline: 'Quite a settled set-up with warm conditions moving in, building tomorrow and Saturday'

A map from the Met Office shows warm air rising from the south, reaching as far as France. Oli Claydon told MailOnline: 'Quite a settled set-up with warm conditions moving in,

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