Granby, ColoradoWhat's the Weather on Lake Granby? Granby 72° Sunny 6:10 am8:07 pm MDT Feels like: 72°FWind: 0mph NEHumidity: 40%Pressure: 30.04"HgUV index: 6 ThuFriSatSunMon 81/50°F82/50°F79/50°F77/48°F73/50°F