Twin Lakes Weather Forecast

    • 9
    • 16

    Increasing Clouds

    • 19
    • 24

    Increasing Clouds

    • 23
    • 29

    Partly Sunny

    • 23
    • 33

    Partly Sunny

    • 23
    • 32

    Mostly Cloudy

    • 22
    • 29

    Mostly Cloudy

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    Chance Snow

Today 28 Dec Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 11 to 17. West Winds 5 to 10 Mph.

Tonight 28 Dec Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Near steady temperature around 6. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Lakes Temperature Statistics

December Temperature

Ennis - Big Sky Airport (21.7 miles)

  • Lowest 1 December, 2025

    5 °F

  • Average December

    39 °F

  • Highest 14 December, 2025

    60.8 °F

Climate (2020–Present)

Ennis - Big Sky Airport (21.7 miles)

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  • Average Low 2020–2025

    31.7 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    55.9 °F
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