Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 27° Fair / Wind 6:22 am7:44 pm MDT Feels like: 12°FWind: 21mph WHumidity: 41%Pressure: 30.11"HgUV index: 0 8 pm9 pm10 pm11 pm12 am 23°F21°F19°F18°F18°F SatSunMonTueWed 43°F / 21°F57°F / 28°F61°F / 34°F66°F / 37°F64°F / 30°F