Roosevelt National Forest Weather Forecast

    • 45
    • 61

    Rain Showers Likely

    • 49
    • 63

    Chance Thunderstorms

    • 48
    • 69

    Mostly Sunny

    • 50
    • 69

    Mostly Cloudy

    • 46
    • 63

    Rain Showers

    • 43
    • 53

    Rain Showers Likely

    • 43
    • 59

    Chance Rain Showers

Today 24 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Mostly sunny with a 10 percent chance of rain Showers. Highs 59 to 69.

Tonight 24 Sep Larimer and Boulder Counties Between 6000 and 9000 Feet

Showers likely in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows 41 to 51. Chance of rain 60 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 21 September, 2026

    46.9 °F

  • Average September

    70.5 °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

    38.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    66.2 °F
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