Gallatin Peak Weather Forecast

    • 21
    • 30

    Increasing Clouds

    • 27
    • 36

    Partly Sunny

    • 33
    • 43

    Breezy

    • 25
    • 39

    Slight Chance Snow

    • 33
    • 40

    Mostly Cloudy

    • 32
    • 41

    Mostly Cloudy

Today 30 Oct Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 35 to 45. West Winds up to 10 Mph.

Tonight 30 Oct Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows 20 to 25. Southwest Winds up to 5 Mph.

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  • Temperature Real-Time

Gallatin Peak Temperature Statistics

October Temperature

Ennis - Big Sky Airport (14.9 miles)

  • Lowest 28 October, 2025

    21.2 °F

  • Average October

    44.6 °F

  • Highest 10 October, 2025

    71.6 °F

Climate (2020–Present)

Ennis - Big Sky Airport (14.9 miles)

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  • Average Low 2020–2025

    31.4 °F

  • Average 2020–2025

    43.8 °F

  • Average High 2020–2025

    55.7 °F
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