Fish Creek Lake Weather Forecast

    • 37
    • 52

    Chance Rain

    • 37
    • 53

    Rain

    • 25
    • 39

    Rain/Snow

    • 25
    • 37

    Partly Sunny

    • 27
    • 42

    Partly Sunny

    • 27
    • 42

    Partly Sunny

Today 21 Oct Gallatin and Madison County Mountains and Centennial Mountains

Sunny. Highs 50 to 60. South Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 21 Oct Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Lows 35 to 41. South Winds 5 to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fish Creek Lake Temperature Statistics

October Temperature

Ennis - Big Sky Airport (38.5 miles)

  • Lowest 13 October, 2026

    19.4 °F

  • Average October

    49.3 °F

  • Highest 5 October, 2026

    82.4 °F

Climate (2021–2026)

Ennis - Big Sky Airport (38.5 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    56.6 °F
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