Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 61° Partly Cloudy / Wind 6:29 am7:39 pm MDT Feels like: 55°FWind: 22mph WSWHumidity: 14%Pressure: 29.95"HgUV index: 4 5 pm6 pm7 pm8 pm9 pm 57°F55°F52°F46°F45°F MonTueWedThuFri 52°F / 28°F41°F / 27°F48°F / 28°F54°F / 27°F36°F / 14°F