The Met Office has confirmed Saturday as the hottest day of the year, at 25.5 ° C in Gosport, Hampshire.
According to forecasts, the UK is set to record temperatures for the remainder of the Easter weekend.
Temperatures are expected to rise to 26 ° C on Easter Sunday and 27 ° C on Monday, although northwestern Scotland could be cut off.
The record cold weather for Easter Sunday in United Kingdom in April 2011 is 25.3 ° C in Solent, Hampshire.
The Solent also raises the hottest Easter Monday with 24 ° C, which was also recorded in 2011.
The previous speaker of the bureau's office, Helen Roberts, said Solent's records are "those you can keep an eye on and that could be broken."
The warmest Easter temperature in the United Kingdom was 29.4 ° C recorded on London's Camden Square in 1949 on Holy Saturday.
The supermarkets of Asda, Sainsbury's and Waitrose said they would expect rising sales of sausages, burgers, ice lollies and ice cream.
Sainsbury & # 39; s told the BBC that rose wine sales will increase 40% compared to the previous week, the tanning color would increase by 300% and the sunscreen would increase by 800%.
Argos customers have prepared for the hot weather. The sale of air conditioning increased by 367% per week.
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Asda expects a high sales of Easter eggs and lamb shanks as well as a leap in grilled meat – including a run with potato salad.
Waitrose spokesman said the supermarket had expected 150% growth in kebabs and steaks from week to week and burgers at 170%.