The first week of Wimbledon 2026 isn't going to be as hot as the previous weeks in London. The beginning of summer has been dangerous, and not just to tennis players but for people living their normal lives. Going to see a match with such warmth wouldn't have seemed fun.
The opening week of the grass-court major, however, is expected to see a heatwave break. High temperatures between Monday, June 29, and Friday, July 3, are expected to range from 25 to 27 Celsius (77 to 90 Fahrenheit), which is still warm while someone is exerting themselves in a high-stakes tennis event, but it is still 10 degrees better than recent temps, at least.
Chances of rain also remain low, and the Grand Slam has been plagued by precipitation in the past. In 2026, that doesn't seem to be the case.
Wimbledon weather will be fine for the first week until things change for the worse
The issue begins in the second week, though. The long-range forecast, according to the Weather Channel, isn't great.
Temperatures will increase again, reaching 31 Celsius (87 Fahrenheit) and higher. Hopefully, the forecast will change before the second week, but based on how the UK and Europe have been in the late spring and early summer, high temperatures should be expected.
Fans will have to sit in high temperatures, which means just as much as players, those going to watch the matches will need to drink lots of water. No one wants a lot of matches to pause because someone in the crowd has had a heat-related issue. Not because it stops the tennis, but because no one wants anyone to feel bad. Heat stroke is very serious.
READ MORE: Everything tennis fans need to know before Wimbledon 2026 begins
On the court, fans and players do not want matches decided by the heat, forcing some players to wilt. This was the case with the French Open when ATP No. 1 Jannik Sinner struggled physically while losing in the second round. If he loses, let's hope it's because his opponent has rightly defeated him, not that the weather has.
Assuming no weather-related problems cause upsets or withdrawals, Sinner will be the favorite to win his second-straight Wimbledon. He hasn't played since losing at Roland Garros, so he should be well-rested.
On the WTA side, Iga Swiatek will be trying to defend her 2026 crown. She won't be the player to watch, either on the men's or ladies' side, though. That will be the return of Serena Williams in singles. She received a wild-card to play in a major that she's won seven times, the last coming 10 years ago in 2016.
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