Avon Weather Forecast

    • 37
    • 69

    Increasing Clouds

    • 28
    • 54

    Chance Rain

    • 29
    • 54

    Partly Sunny

    • 41
    • 67

    Partly Sunny

    • 39
    • 70

    Slight Chance Rain

    • 40
    • 70

    Mostly Cloudy

Today 3 May Butte/Blackfoot Region

Mostly sunny. A 20 percent chance of rain late in the afternoon. Highs in the mid 60s to lower 70s. Northwest Winds to 15 Mph in the afternoon.

Tonight 3 May Butte/Blackfoot Region

Mostly clear. Lows in the mid 30s to lower 40s. Northwest Winds to 15 Mph.

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Avon Temperature Statistics

May Temperature

Helena Regional Airport (28.6 miles)

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  • Average May

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Climate (2021–Present)

Helena Regional Airport (28.6 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    60.1 °F
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