BRITAIN will be hotter than Barcelona with a 21C scorcher today - but snow could fall in days.

       The glorious weather will also be mostly dry, clear and sunny after a frosty start in comparison to the Spanish city’s highs of 16C.

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       Britain will be hotter than Barcelona today Credit: Rex 4

       The glorious weather will reach 21C Credit: Alamy

       It comes after temperatures reached 20.5C yesterday as daytime temperatures soared 10C above the March average.

       BBC Weather forecaster Ben Rich said: “It is another beautiful spring day with lengthy sunshine and the vast majority will stay dry.

       “There is just a small chance of one or two showers popping up in north east Scotland and maybe in the eastern counties of England.

       “It will not be as breezy as it was on Tuesday across western areas but it is every bit as warm.”

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       SEASON'S HEATINGS Glorious sunshine on way with temperatures as high as 29C

       Supermarkets recorced a 50 per cent rise in burger sales while ice lolly sales rose three-fold.

       Tesco is expected to sell 250,000 packets of sausages and over two million bottles of beer and wine this week.

       Asda is set to clear 500,000 patties and 250,000 sausages as Brits soak up the good weather.

       The Met Office issued a yellow weather warning for fog this morning in the North East.

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       Temperatures will drop again to around freezing tonight with fog patches tomorrow.

       And it will continue to drop next week, with a possible -10C in Scotland next Friday.

       Snow could even fall across Scotland and northern England on the first weekend of April.

       Experts have warned rising temperatures may cause tree pollen levels to spike in the UK.

       And a third of people with hayfever admitted to staying indoors because their allergies are too severe, a poll found.

       It is thought climate change is increasing temperatures and elongating the pollen season.

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       Jin Zhang, global medical director at Kimberly-Clark UK, said: “When temperatures rise, primary sources of pollutants tend to increase, making the air quality even more challenging for millions of hay fever sufferers.

       “As such, global warming will likely cause pollen seasons to start earlier and last longer.”

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       Brits are in for another day of sunshine Credit: Dave Nelson 4

       A yellow weather warning for fog was issued this morning Credit: Met Office