The 2026 FIFA World Cup is set to be the biggest edition in the tournament’s history, but players may have to overcome more than just their opponents. Concerns are growing over the impact of extreme heat and humidity across several host cities in the United States, Mexico and Canada, with experts warning that weather conditions could play a major role during the competition.
A recent climate study suggested that most matches at the tournament could be affected by unusually high temperatures. Researchers believe that many of the host venues are likely to experience hotter conditions than would normally be expected, raising concerns about player welfare and on-field performance.
Heat and humidity under the spotlight
Cities such as Miami, Houston, Dallas and Monterrey are expected to face some of the toughest weather conditions during the tournament. While high temperatures are a concern, experts say humidity could be an even bigger issue because it makes it harder for the body to cool itself during intense physical activity.
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According to the study, a significant number of matches may be played in conditions that exceed recommended safety limits. Such environments can increase the risk of dehydration, fatigue and heat-related illnesses, while also affecting the quality and intensity of games.
The Senegalese 🇸🇳 delegation gets this treatment on arrival in the USA. Full tarmac searches, shoes off, bags turned inside out like criminals.
— World Cup 2026 Daily (@TotalFootball) June 8, 2026
This is straight up humiliation and a disgrace. They’d never put white boys through the same.pic.twitter.com/KULjwTsCQI
Scientists have warned that players could struggle to maintain peak performance if temperatures rise further, especially during daytime kick-offs.
FIFA prepares safeguards
FIFA has already introduced measures to help players cope with the conditions. Hydration breaks will be mandatory during matches, allowing players to cool down and rehydrate during each half.
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The governing body has also taken weather data into account while planning match schedules and venues. However, some experts believe additional precautions may be required if temperatures become more severe than expected.
With the tournament scheduled across 16 host cities and 104 matches, weather could emerge as one of the defining factors of World Cup 2026. While teams will spend months preparing tactically and physically, dealing with extreme heat and humidity may prove just as important in the battle for football’s biggest prize.
