Granby, ColoradoWhat's the Weather on Lake Granby? Granby, CO 43° Partly Cloudy 6:03 am7:58 pm MDT Feels like: 34°FWind: 16mph WSWHumidity: 62%Pressure: 30.03"HgUV index: 6 1 pm2 pm3 pm4 pm5 pm 46°F50°F52°F54°F52°F WedThuFriSatSun 54°F / 25°F46°F / 30°F50°F / 25°F61°F / 32°F63°F / 32°F