Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 32° Cloudy 7:10 am4:38 pm MST Feels like: 32°FWind: 2mph WNWHumidity: 74%Pressure: 30.47"HgUV index: 0 3 am4 am5 am6 am7 am 30°F28°F25°F25°F25°F WedThuFriSatSun 43°F / 18°F39°F / 18°F25°F / 9°F21°F / 9°F28°F / 14°F