People enjoying the warm weather on Sunny Sands beach in Folkestone, England, Saturday May 23, 2026. (Gareth Fuller/PA via AP)

A speed boat passes by the Conciergerie along the Seine River during a sunny day in Paris, Monday, May 25, 2026. (AP Photo/Michel Euler)

A man cools down with a bottle of water during the hot weather on Westminster Bridge, central London, England, Monday, May 25, 2026. (James Manning/PA via AP)

Spectators watch the first round men's singles tennis match between Casper Ruud of Norway and Roman Safiullin of Russia at the French Open tennis tournament in Paris, Monday, May 25, 2026. (AP Photo/Aurelien Morissard)

A stadium worker sprays the court with water before the first round men's singles tennis match at the French Open tennis tournament in Paris, Monday, May 25, 2026. (AP Photo/Aurelien Morissard)

Poland's Iga Swiatek gestures for a ballboy as he shields her from the sun during a break at the first round women's singles tennis match against Emerson Jones of Australia at the French Open tennis tournament in Paris, Monday, May 25, 2026. (AP Photo/Thibault Camus)

Visitors cool themselves with water from sprinklers during a hot day at the French Open tennis tournament in Paris, Monday, May 25, 2026. (AP Photo/Aurelien Morissard)

Alex De Minaur of Australia attends a break during the first round men's singles tennis match against Toby Samuel of Britain at the French Open tennis tournament in Paris, Monday, May 25, 2026. (AP Photo/Christophe Ena)