Avon Weather Forecast

    • 44
    • 71

    Increasing Clouds

    • 44
    • 73

    Partly Sunny

    • 49
    • 80

    Mostly Sunny

    • 50
    • 81

    Mostly Sunny

    • 51
    • 83

    Partly Sunny

    • 53
    • 85

    Chance Thunderstorms

Today 2 Jul Butte/Blackfoot Region

Partly cloudy. Highs in the upper 60s to mid 70s.

Tonight 2 Jul Butte/Blackfoot Region

Mostly clear. Lows in the 40s.

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Avon Temperature Statistics

July Temperature

Helena Regional Airport (28.6 miles)

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  • Average July

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Climate (2021–2026)

Helena Regional Airport (28.6 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    60 °F
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