Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 57° Fair 5:51 am8:28 pm MDT Feels like: 57°FWind: 7mph ESEHumidity: 63%Pressure: 30.44"HgUV index: 0 12 am1 am2 am3 am4 am 57°F55°F59°F57°F57°F TueWedThuFriSat 81°F / 54°F77°F / 54°F70°F / 54°F79°F / 54°F82°F / 55°F