Canyon Ferry State Park Weather Forecast

    • 55
    • 73

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 72

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 40
    • 62

    Rain Likely

Today 4 Oct Canyon Ferry Area

Cooler. Partly sunny with a 50 percent chance of rain and snow. Highs around 50.

Tonight 4 Oct Canyon Ferry Area

Mostly clear. Lows 46 to 52. Southeast Winds up to 10 Mph.

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Canyon Ferry State Park Temperature Statistics

October Temperature

Helena Regional Airport (21.1 miles)

  • Lowest 2 October, 2026

    44.1 °F

  • Average October

    56.7 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

Helena Regional Airport (21.1 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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