Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 36° Fair 7:22 am5:04 pm MST Feels like: 27°FWind: 19mph WSWHumidity: 35%Pressure: 30.16"HgUV index: 0 6 pm7 pm8 pm9 pm10 pm 30°F27°F23°F23°F21°F FriSatSunMonTue 23°F / 12°F25°F / 9°F34°F / 12°F30°F / 9°F34°F / 12°F