Aspen Airport Weather Forecast

    • 37
    • 64

    Mostly Sunny

    • 39
    • 65

    Mostly Sunny

    • 44
    • 64

    Chance Rain Showers

    • 43
    • 60

    Chance Thunderstorms

    • 44
    • 63

    Chance Thunderstorms

    • 43
    • 61

    Chance Thunderstorms

    • 44
    • 62

    Slight Chance Thunderstorms

Today 20 Sep Gore and Elk Mountains/Central Mountain Valleys

Mostly sunny. Slight chance of Showers and Thunderstorms in the afternoon. Highs 55 to 65. Chance of rain 10 percent.

Tonight 20 Sep Gore and Elk Mountains/Central Mountain Valleys

Mostly clear. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Aspen Airport Temperature Statistics

September Temperature

Aspen-Pitkin County Airport (2.5 miles)

  • Lowest 10 September, 2026

    40.6 °F

  • Average September

    63 °F

  • Highest 6 September, 2026

    84.7 °F

Climate (2021–2026)

Aspen-Pitkin County Airport (2.5 miles)

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  • Average Low 2021–2026

    29.9 °F

  • Average 2021–2026

    43.7 °F

  • Average High 2021–2026

    57.9 °F
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