Mount Crested Butte Weather Forecast

    • 44
    • 59

    Rain Showers

    • 40
    • 63

    Rain Showers

    • 36
    • 62

    Rain Showers

    • 35
    • 61

    Mostly Sunny

    • 37
    • 63

    Partly Sunny

    • 37
    • 63

    Chance Thunderstorms

Today 17 Sep West Elk and Sawatch Mountains

Showers with a slight chance of Thunderstorms in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Highs 55 to 65.

Tonight 17 Sep West Elk and Sawatch Mountains

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows 35 to 45. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Crested Butte Temperature Statistics

September Temperature

Aspen-Pitkin County Airport (22.4 miles)

  • Lowest 10 September, 2026

    40.6 °F

  • Average September

    63.5 °F

  • Highest 6 September, 2026

    84.7 °F

Climate (2021–2026)

Aspen-Pitkin County Airport (22.4 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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