The 2023 US Open faces extreme temperatures, and organizers have activated strict protocols to protect players and fans from the heat.

At the 2023 US Open, the competition faces challenges from intense heat, with on-court temperatures exceeding 50 degrees Celsius. Organizers have activated strict protocols, including the use of the WetBulb Globe Temperature system to monitor conditions. Extra breaks and cooling zones are now mandatory, and players and fans are provided with safety measures such as fans and drinking water. Warnings from the players, including Daniil Medvedev, underline the seriousness of the situation, prompting talk of altering the match schedule.