Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 27° Mostly Cloudy 7:07 am7:15 pm MDT Feels like: 19°FWind: 6mph NEHumidity: 74%Pressure: 29.74"HgUV index: 0 6 am7 am8 am9 am10 am 28°F28°F32°F36°F37°F WedThuFriSatSun 27°F / 7°F37°F / 18°F37°F / 21°F41°F / 21°F41°F / 23°F