Aspen Airport Weather Forecast

    • 41
    • 63

    Mostly Sunny

    • 43
    • 68

    Mostly Cloudy

    • 42
    • 64

    Chance Thunderstorms

    • 41
    • 64

    Chance Thunderstorms

    • 37
    • 63

    Slight Chance Thunderstorms

    • 39
    • 64

    Mostly Sunny

    • 42
    • 69

    Mostly Sunny

Today 18 Sep Gore and Elk Mountains/Central Mountain Valleys

Sunny. Highs 55 to 65.

Tonight 18 Sep Gore and Elk Mountains/Central Mountain Valleys

Mostly clear. Lows in the 30s.

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Aspen Airport Temperature Statistics

September Temperature

Aspen-Pitkin County Airport (2.5 miles)

  • Lowest 13 September, 2025

    37.9 °F

  • Average September

    57.5 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

Aspen-Pitkin County Airport (2.5 miles)

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  • Average Low 2020–2025

    29.3 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    57 °F
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