Roosevelt National Forest Weather Forecast

    • 55
    • 75

    Mostly Sunny

    • 56
    • 78

    Slight Chance Thunderstorms

    • 57
    • 76

    Chance Rain Showers

    • 58
    • 74

    Rain Showers Likely

    • 55
    • 73

    Chance Thunderstorms

    • 54
    • 73

    Chance Thunderstorms

    • 55
    • 73

    Chance Thunderstorms

Today 3 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 74 to 84. Southwest Winds 10 to 15 Mph with Gusts up to 20 Mph.

Tonight 3 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 50 to 60.

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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 1 September, 2026

    59 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    89.1 °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

    66.2 °F
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