Key Takeaways
- Temperatures over 30°C (86°F) expected during the 2026 men’s football World Cup final.
- High humidity makes it harder for players to cool down through sweating.
- Wet bulb globe temperature (WBGT) measures heat stress, with some matches reaching over 33°C (91°F).
As the 2026 men’s football World Cup approaches, players and fans alike are bracing for challenging conditions. The final match is set to take place in New Jersey this weekend, with temperatures expected to soar above 30°C (86°F).
However, it is not just the heat that poses a threat; humidity levels can significantly impact performance and safety. High humidity makes it more difficult for players to cool down through sweating, as the air is already saturated with moisture.
To quantify these conditions, sports organisations use the wet bulb globe temperature (WBGT) index, which measures heat stress. During one of the most extreme matches of this World Cup, between Uruguay and Cape Verde, the WBGT was estimated at over 33°C (91°F). At such levels, outdoor activities are advised to be suspended.
The combination of high temperatures and humidity can make physical exertion unbearable for athletes. This is a critical consideration for teams preparing for the tournament, as they must ensure their players stay hydrated and manage their energy levels effectively.
While extreme heat poses challenges, there are ways to mitigate its effects. Saunas operate at low humidity, allowing users to sweat comfortably while reaping health benefits such as cardiovascular improvements and potential protection against Alzheimer’s disease.
Despite these strategies, the rising frequency of European heatwaves suggests that future World Cups may see even more challenging conditions. The 2030 men’s football World Cup, scheduled for Portugal, Spain, and Morocco, is expected to feature temperatures reaching up to 40°C (104°F) with low humidity.
As the world grapples with rising global temperatures, the 2026 World Cup may be remembered as a relatively cool event. However, it serves as a stark reminder of the ongoing need for research and adaptation in sports to ensure player safety.



