Over the next 10 days Green River tops out around 90° (Sunday) and dips to 62° on the coolest night (Sunday). Rain totals look negligible: a dry run of days ahead. Expect a blustery spell — gusts near 36 mph on Monday. The NWS alert board for this area is currently clear. Right now Green River is about 23° cooler than nearby Provo. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Green River, WY · Elev 6,115 ft · 41.53°N, 109.47°W · Wyoming · Forecast computed for these exact coordinates