Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 48° Fair 7:08 am6:32 pm MDT Feels like: 48°FWind: 0mph NWHumidity: 46%Pressure: 30.5"HgUV index: 3 12 pm1 pm2 pm3 pm4 pm 59°F64°F68°F68°F68°F FriSatSunMonTue 68°F / 34°F68°F / 37°F66°F / 34°F66°F / 34°F68°F / 36°F