A report on conditions in New Jersey says a new heat wave is expected before the final, although the most extreme spell may arrive earlier in the week. The heat index could approach 100°F on Tuesday and exceed that mark on Wednesday, while weekend temperatures are expected to sit in the upper 80s, close to 90°F.
That would still create a demanding environment inside an open-air stadium. Humidity is expected to ease on Thursday and Friday before rising again over the weekend, leaving players and supporters facing potentially uncomfortable conditions even if the forecast avoids its peak.
For the finalists, preparation will matter. Coaches may need to manage warm-ups, substitutions and pressing demands more carefully, particularly if the match develops into a long, physically intense contest.
The forecast remains unsettled, with the possibility of showers and thunderstorms around the final. That creates a separate safety issue for spectators and organizers, especially at a stadium without a roof.
Heat management also extends beyond the pitch. Supporters may spend hours travelling, queuing and sitting in exposed areas, making access to water, shade and air-conditioned spaces important parts of the event plan.
has mandated a three-minute hydration break at the 22nd minute of each half throughout the tournament. Those stoppages could prove especially valuable if temperatures and humidity remain elevated.
The final forecast will become clearer closer to July 19, but weather is already part of the storyline. The next update will determine whether MetLife stages a cool, wet conclusion or a final defined by heat, hydration and storm vigilance.