Posted in Web 10-Day Weather Forecast for Fairmount, CO – The Weather Channel September 16, 2025 Be prepared with the most accurate 10-day forecast for Fairmount, CO with highs, lows, chance of precipitation from The Weather Channel and Weather.com https://weather.com/weather/tenday/l/48f53f0692c92cae3da89974b69fcc0a97b75155974e34433a5379e05e206b41