(CNN) Europe's scorching heat wave expanded across the continent on Saturday, with people from Britain to the Balkans sweltering under abnormally high temperatures after a record-breaking week.

France is expecting temperatures of 39 degrees Celsius (103 degrees Fahrenheit) in parts on Saturday, a day after it shattered its record mark multiple times in one day.

Spain, which is dealing with the aftermath of a wildfire that tore through 10,000 acres of forest in the country's north-east on Friday, is bracing for temperatures of up to 42 degrees, according to its national meteorological body AEMET. The country is still affected by a "mass of tropical wind coming from Africa'a mass of tropical wind coming from Africa," the agency said.

And the UK saw its hottest day of the year by some distance, with the mercury rising to 33 degrees Celsius (91.4 Fahrenheit) and threatening the country's hottest-ever June mark of 35.6 degrees, set in 1976.

The hot weather is hitting sporting events across Europe, including the first-ever Major League Baseball game to be played in London. In a sign of how unusual the June heat wave is, organizers at Lord's Cricket Ground in the city even allowed spectators at the World Cup match between Australia and New Zealand to remove their jackets at the pavilion.

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