A heat wave could hit the UK from mid-May – temperatures in the south will reach 23 degrees Celsius (73.4 degrees F), according to the Bureau of Meteorology.

According to senior operational meteorologist Marco Petagna, it should become “very warm” and there is little chance that the temperature will peak in the mid-20s later this month.

Heat is defined as three consecutive days or more of reaching or exceeding a certain temperature threshold, a forecaster said.

This comes after April, during which average maximum temperatures were generally above normal, and in the UK there was about a third less rain than usual, according to the blog Met Office.

Particularly dry was the south of England, where only 36% of the average rainfall.

This Thursday is already expected to be dry and warm with temperatures likely to reach 21C (69.8F) in the south of England and around 17C (62.6F) in the north to Aberdeen in Scotland.

On Friday the temperature will drop by a few degrees, but in the south and east of England it is still expected to be 20 degrees warm, while the weekend will also be dry and warm as high pressure.

“The temperature is a few degrees higher than it should be at this time of year,” Mr Petanya said.

The hottest day in the UK this year was Good Friday, when 23.4 degrees Celsius was recorded in St James’s Park in central London.

Read the latest Sky News weather forecast here.


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