The 2025 U.S. Open golf tournament's play was suspended due to severe weather conditions. Specifically, the final round was halted on June 15, 2025, at Oakmont Country Club because of dangerous weather that included heavy rain, lightning, and flash flood warnings in the area. The rain caused puddles to form on the course, making it unplayable and hazardous for players and spectators. Play was initially suspended at 4:01 p.m. ET when the leading group was on the eighth hole. Safety concerns due to lightning and floods were the main reasons for the suspension, with players and fans evacuated to safer areas until conditions improved.

For the tennis 2025 US Open, certain qualifying matches and outdoor play were suspended or canceled due to persistent rain on some days, causing scheduling delays. However, the main tennis event employs roofs over key courts to help continue play during inclement weather, but some matches were still postponed or delayed due to weather impact on outdoor courts.

In summary, the suspension at the golf U.S. Open was due to dangerous and severe weather including heavy rain and lightning, while at the tennis U.S. Open, rain caused delays and some qualifying matches were canceled or postponed.