The 2018 U.S. Open at Shinnecock Hills kicks off on June 11 on Long Island, and so far the weather forecast for the week looks mostly sunny. It began to rain early on Friday, with forecasts predicting that the skies would clear up in the afternoon.
Historically, temperatures at Shinnecock during the second week of June (Thursday to Friday) average around 75 degrees farenheit, with record highs in the 90s and lows in the 40s. Forecasts for U.S. Open week fall into that pattern, with average temperatures around 70 degrees. Weather for the tournament looks to be close to ideal: highs in the 70s and, with the exception of Thursday, winds below 10 mph.
Updated June 15, 2018.