Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 18° Fair 7:21 am4:43 pm MST Feels like: 10°FWind: 5mph ESEHumidity: 64%Pressure: 30.32"HgUV index: 0 10 pm11 pm12 am1 am2 am 18°F18°F18°F18°F18°F SunMonTueWedThu 39°F / 23°F36°F / 19°F37°F / 19°F36°F / 21°F34°F / 21°F