Roosevelt National Forest Weather Forecast

    • 53
    • 75

    Increasing Clouds

    • 52
    • 74

    Partly Sunny

    • 54
    • 72

    Chance Thunderstorms

    • 55
    • 75

    Slight Chance Thunderstorms

    • 49
    • 72

    Chance Thunderstorms

    • 50
    • 61

    Rain Showers Likely

    • 50
    • 69

    Chance Thunderstorms

Today 10 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Sunny. Highs 73 to 83.

Tonight 10 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly clear. Lows 47 to 57. West Winds 10 to 15 Mph after midnight.

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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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