Deep Lake Weather Forecast

    • 33
    • 47

    Decreasing Clouds

    • 21
    • 46

    Windy

    • 24
    • 40

    Mostly Sunny

    • 26
    • 42

    Mostly Sunny

    • 35
    • 49

    Partly Sunny

    • 34
    • 50

    Chance Rain/Snow

Today 6 Apr Gallatin and Madison County Mountains and Centennial Mountains

Partly sunny. Highs 47 to 57. South Winds up to 5 Mph shifting to the west in the afternoon. Gusts up to 25 Mph.

Tonight 6 Apr Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy. Lows 30 to 38. West Winds up to 10 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deep Lake Temperature Statistics

April Temperature

Ennis - Big Sky Airport (28 miles)

  • Lowest 4 April, 2026

    26.6 °F

  • Average April

    37.1 °F

  • Highest 4 April, 2026

    55.4 °F

Climate (2021–Present)

Ennis - Big Sky Airport (28 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    56.5 °F
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