Roosevelt National Forest Weather Forecast

    • 51
    • 72

    Slight Chance Thunderstorms

    • 50
    • 72

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

    • 51
    • 69

    Chance Thunderstorms

    • 48
    • 68

    Chance Thunderstorms

Today 8 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Partly cloudy. Slight chance of Thunderstorms late in the afternoon. Highs 71 to 81. Chance of precipitation 10 percent.

Tonight 8 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 46 to 56.

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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 2 September, 2026

    55 °F

  • Average September

    75.5 °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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