Roosevelt National Forest Weather Forecast

    • 44
    • 58

    Chance Thunderstorms

    • 41
    • 54

    Chance Rain Showers

    • 40
    • 61

    Chance Rain Showers

    • 45
    • 68

    Mostly Sunny

    • 42
    • 68

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

Today 29 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny. Highs 66 to 76.

Tonight 29 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly cloudy with a 10 percent chance of Showers. Lows 40 to 50.

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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 21 September, 2026

    46.9 °F

  • Average September

    69.7 °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

    38.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    66.2 °F
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