Roosevelt National Forest Weather Forecast
- 57
- 76
Chance Rain Showers
- 48
- 70
Chance Rain Showers
- 49
- 61
Rain Showers Likely
- 50
- 70
Rain Showers Likely
- 48
- 64
Rain Showers Likely
- 46
- 66
Chance Thunderstorms
Today 13 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet
Partly cloudy in the Morning, then mostly cloudy with a chance of Showers and slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 75 to 85. South Winds 10 to 15 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 50 percent.
Tonight 13 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet
Slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Some Thunderstorms may produce gusty Winds in the evening. Lows 51 to 61. Southwest Winds 10 to 15 Mph in the Evening, becoming light. Chance of rain 50 percent.
Roosevelt National Forest Temperature Statistics
September Temperature
Fort Collins/Loveland - Northern Colorado Regional Airport (28 miles)
Lowest 10 September, 2026
53.1 °FAverage September
74.2 °FHighest 5 September, 2026
97 °F
Climate (2021–2026)
Fort Collins/Loveland - Northern Colorado Regional Airport (28 miles)
Average Low 2021–2026
38.6 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
66.2 °F