US Open – Wyndham Clark heads into Sunday at Shinnecock Hills while forecasts point to a mix of clouds and sunshine, temperatures rising from 57°F to 78°F, and persistent winds with gusts up to 25 mph—along with a 25% chance of rain.
For the players who survived Thursday’s fog and then battled high winds under bright skies, Sunday at Shinnecock Hills feels like a promise of steadier conditions—but not an escape.
Wyndham Clark is leading the U.S. Open and has warned the field that his best golf hasn’t arrived yet. The 2026 tournament has already shown how quickly the atmosphere can change. Dense fog rolled over the course at the start of the weekend. triggering a two-hour delay on Thursday before conditions opened up.
Once the fog lifted, competitors faced relentless high winds paired with bright, sunny conditions through the second and third rounds. The forecast heading into the final round suggests that pattern may soften in one way—temperatures—while staying just as demanding in another: the wind.
On Sunday. June 21. conditions are expected to swing into a mix of clouds and sunshine. with a morning start near 57 degrees Fahrenheit and a climb to about 78 degrees by afternoon. Winds are forecast to remain a factor throughout the day. with steady breezes between 8 and 16 mph and gusts that could reach 25 mph.
There is also a 25% chance of rain, and Shinnecock’s recent unpredictability means even that number can’t be treated as certainty. The final round could still be shaped by whatever weather shows up when the competition tightens.
The schedule pressure coming after Thursday’s two-hour delay is real in a major like this. With Clark saying he hasn’t played his best yet. Sunday’s combination of warming temperatures and persistent wind could become the difference between holding on to the lead and making the kind of charge that wins on a course where conditions have already refused to stay fixed.
Weather according to AccuWeather calls for times of clouds and sunshine for Sunday—High 78, Low 57—and winds of 8 to 16 mph with gusts reaching up to 25 mph. The 25% chance of rain remains part of the picture as the U.S. Open moves toward its Sunday finish and the crowning of a champion.
US Open Wyndham Clark Shinnecock Hills weather forecast AccuWeather windy Sunday golf