Roosevelt National Forest Weather Forecast

    • 49
    • 62

    Chance Rain Showers

    • 53
    • 70

    Chance Thunderstorms

    • 52
    • 65

    Rain Showers Likely

    • 48
    • 69

    Rain Showers Likely

    • 45
    • 63

    Chance Thunderstorms

    • 45
    • 64

    Chance Rain Showers

Today 15 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy in the Morning, then becoming mostly cloudy. Slight chance of Showers in the Morning, then a chance of Showers and slight chance of Thunderstorms in the afternoon. Highs 59 to 67. Southeast Winds 10 to 15 Mph in the afternoon. Chance of rain 30 percent.

Tonight 15 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy. Chance of Showers in the Evening, then a slight chance of Showers after midnight. Lows 44 to 52. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roosevelt National Forest Temperature Statistics

September Temperature

Fort Collins/Loveland - Northern Colorado Regional Airport (28 miles)

  • Lowest 10 September, 2026

    53.1 °F

  • Average September

    73.5 °F

  • Highest 5 September, 2026

    97 °F

Climate (2021–2026)

Fort Collins/Loveland - Northern Colorado Regional Airport (28 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    66.3 °F
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