Big Sky Weather Forecast

    • 21
    • 34

    Mostly Sunny

    • 32
    • 46

    Partly Sunny

    • 31
    • 50

    Mostly Cloudy

    • 29
    • 46

    Partly Sunny

    • 35
    • 48

    Partly Sunny

    • 33
    • 48

    Chance Rain/Snow

Today 8 Nov Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy in the morning then becoming sunny. Highs 30 to 40. West Winds up to 10 Mph.

Tonight 8 Nov Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Lows 15 to 25. Southwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sky Temperature Statistics

November Temperature

Ennis - Big Sky Airport (13.7 miles)

  • Lowest 3 November, 2025

    19.4 °F

  • Average November

    47.3 °F

  • Highest 1 November, 2025

    64.4 °F

Climate (2020–Present)

Ennis - Big Sky Airport (13.7 miles)

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  • Average Low 2020–2025

    31.4 °F

  • Average 2020–2025

    43.8 °F

  • Average High 2020–2025

    55.6 °F
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