Mount Massive Wilderness Area Weather Forecast

    • 31
    • 48

    Mostly Sunny

    • 34
    • 51

    Mostly Cloudy

    • 33
    • 49

    Chance Thunderstorms

    • 33
    • 49

    Chance Thunderstorms

    • 29
    • 47

    Chance Snow Showers

    • 30
    • 50

    Mostly Sunny

    • 33
    • 54

    Mostly Sunny

Today 18 Sep Eastern Sawatch Mountains above 11000 Ft

Sunny. Near steady temperature 46 to 55. West Winds 10 to 15 Mph.

Tonight 18 Sep Eastern Sawatch Mountains above 11000 Ft

Mostly clear. Lows 29 to 37. Northwest Winds up to 15 Mph.

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Mount Massive Wilderness Area Temperature Statistics

September Temperature

Leadville, Lake County Airport (8.1 miles)

  • Lowest 15 September, 2025

    28 °F

  • Average September

    48 °F

  • Highest 1 September, 2025

    69.1 °F

Climate (2020–Present)

Leadville, Lake County Airport (8.1 miles)

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  • Average Low 2020–2025

    22.7 °F

  • Average 2020–2025

    36.7 °F

  • Average High 2020–2025

    50.2 °F
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