Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 36° Fair 6:19 am7:45 pm MDT Feels like: 36°FWind: 0mph WNWHumidity: 62%Pressure: 30.1"HgUV index: 0 1 am2 am3 am4 am5 am 36°F36°F32°F32°F32°F FriSatSunMonTue 48°F / 28°F48°F / 27°F57°F / 32°F57°F / 28°F57°F / 32°F