Fort Collins is a municipality in northern Colorado, which serves as the seat of Larimer County. Fort Collins gets some kind of precipitation, on average, 90 days per year. The warmest month of the year is July with an average maximum temperature of 85.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 15.30 degrees Fahrenheit. //-->. 7-hour rain and snow forecast for Fort Collins, CO with 24-hour rain accumulation, radar and satellite maps of precipitation by Weather Underground. Low Temp: 17 °F. Precipitation: 0.35". Monthly: 1981-2010 normals //-->, . 7-hour rain and snow forecast for Fort Collins, CO with 24-hour rain accumulation, radar and satellite maps of precipitation by Weather Underground. Low Temp: 17 °F. Precipitation: 0.35". Monthly: 1981-2010 normals //-->, . 7-hour rain and snow forecast for Fort Collins, CO with 24-hour rain accumulation, radar and satellite maps of precipitation by Weather Underground. Low Temp: 17 °F. Precipitation: 0.35". Monthly: 1981-2010 normals //-->,