Fort Collins Weather Forecast

    • 42
    • 80

    Mostly Sunny

    • 46
    • 83

    Partly Sunny

    • 46
    • 76

    Mostly Sunny

    • 51
    • 85

    Sunny

    • 51
    • 88

    Mostly Sunny

    • 51
    • 86

    Mostly Sunny

    • 51
    • 85

    Mostly Sunny

Today 22 Sep Larimer County Below 6000 Feet/Northwest Weld County

Sunny. Highs in the upper 70s.

Tonight 22 Sep Larimer County Below 6000 Feet/Northwest Weld County

Mostly clear. Lows in the lower to mid 40s.

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Fort Collins Temperature Statistics

September Temperature

Fort Collins/Loveland - Northern Colorado Regional Airport (9.9 miles)

  • Lowest 18 September, 2021

    44.1 °F

  • Average September

    70.1 °F

  • Highest 10 September, 2021

    99 °F

Climate (2010–Present)

Fort Collins/Loveland - Northern Colorado Regional Airport (9.9 miles)

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  • Average Low 2010–Present

    37.9 °F

  • Average 2010–Present

    50.9 °F

  • Average High 2010–Present

    65.1 °F
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