Over the next 10 days Johnstown tops out around 94° (Saturday) and dips to 59° on the coolest night (Wednesday). Models drop roughly 0.68 in of precipitation across the stretch — watch Sunday (65%). Expect a blustery spell — gusts near 30 mph on Tuesday. The NWS alert board for this area is currently clear. Right now Johnstown is about 6° cooler than nearby Denver. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Johnstown, CO · Elev 4,852 ft · 40.34°N, 104.91°W · Colorado · Forecast computed for these exact coordinates