Aspen Airport Weather Forecast

    • 48
    • 76

    Mostly Sunny

    • 46
    • 76

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

    • 48
    • 77

    Slight Chance Thunderstorms

    • 49
    • 75

    Chance Thunderstorms

    • 46
    • 71

    Chance Thunderstorms

    • 45
    • 69

    Slight Chance Thunderstorms

Today 8 Sep Gore and Elk Mountains/Central Mountain Valleys

Sunny. Highs 65 to 75.

Tonight 8 Sep Gore and Elk Mountains/Central Mountain Valleys

Mostly clear. Lows 35 to 45.

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Aspen Airport Temperature Statistics

September Temperature

Aspen-Pitkin County Airport (2.5 miles)

  • Lowest 4 September, 2026

    44.7 °F

  • Average September

    63.9 °F

  • Highest 4 September, 2026

    83.6 °F

Climate (2021–2026)

Aspen-Pitkin County Airport (2.5 miles)

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  • Average Low 2021–2026

    29.8 °F

  • Average 2021–2026

    43.7 °F

  • Average High 2021–2026

    57.9 °F
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