Avon Weather Forecast

    • 21
    • 42

    Chance Snow

    • 21
    • 48

    Mostly Sunny

    • 24
    • 45

    Partly Sunny

    • 26
    • 48

    Chance Rain/Snow

    • 26
    • 49

    Chance Rain/Snow

    • 18
    • 47

    Chance Rain/Snow

Today 19 Nov Butte/Blackfoot Region

Mostly cloudy. Areas of rain and snow until late Afternoon, then slight chance of snow late in the afternoon. Patchy fog in the morning. Chance of precipitation 50 percent. Highs in the upper 30s to mid 40s.

Tonight 19 Nov Butte/Blackfoot Region

Partly cloudy. Patchy fog. Lows in the 20s.

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Avon Temperature Statistics

November Temperature

Helena Regional Airport (28.6 miles)

  • Lowest 10 November, 2025

    28 °F

  • Average November

    45.1 °F

  • Highest 1 November, 2025

    73 °F

Climate (2020–Present)

Helena Regional Airport (28.6 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    59.5 °F
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