Avon Weather Forecast

    • 14
    • 30

    Increasing Clouds

    • 19
    • 33

    Chance Snow

    • 23
    • 37

    Wintry Mix

    • 19
    • 38

    Rain/Snow Likely

    • 21
    • 39

    Chance Rain/Snow

    • 24
    • 40

    Chance Rain/Snow

Today 3 Dec Butte/Blackfoot Region

Partly cloudy. Patchy freezing fog until late afternoon. Highs in the upper 20s to mid 30s.

Tonight 3 Dec Butte/Blackfoot Region

Partly cloudy in the evening then becoming mostly cloudy. Lows 14 to 21. West Winds to 15 Mph.

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Avon Temperature Statistics

December Temperature

Helena Regional Airport (28.6 miles)

  • Lowest

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  • Average December

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Climate (2020–Present)

Helena Regional Airport (28.6 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    59.5 °F
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