Canyon Ferry State Park Weather Forecast

    • 63
    • 84

    Patchy Smoke

    • 64
    • 86

    Chance Thunderstorms

    • 65
    • 86

    Mostly Sunny

    • 65
    • 91

    Mostly Sunny

    • 65
    • 92

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

Today 21 Jul Canyon Ferry Area

Mostly sunny until late afternoon then becoming mostly cloudy. Patchy smoke. Highs in the mid 80s. North Winds up to 5 Mph.

Tonight 21 Jul Canyon Ferry Area

Mostly cloudy in the evening then becoming partly cloudy. Patchy smoke through the night. Lows in the lower 60s. East Winds up to 5 Mph.

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Canyon Ferry State Park Temperature Statistics

July Temperature

Helena Regional Airport (21.1 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    72 °F

  • Highest 11 July, 2026

    101.6 °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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