Avon Weather Forecast
- 26
- 45
Increasing Clouds
- 26
- 51
Rain Likely
- 22
- 51
Partly Sunny
- 23
- 52
Partly Sunny
- 30
- 56
Chance Rain/Snow
- 24
- 59
Rain/Snow Likely
- 17
- 48
Rain Likely
Today 14 Oct Butte/Blackfoot Region
Mostly cloudy. Areas of snow until late afternoon. Areas of rain in the late morning and afternoon. Chance of precipitation 50 percent. Highs in the 40s.
Tonight 14 Oct Butte/Blackfoot Region
Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Areas of frost late in the evening. Widespread frost and patchy fog after midnight. A 20 percent chance of rain and snow late in the night. Lows in the mid 20s to lower 30s.
Avon Temperature Statistics
October Temperature
Helena Regional Airport (28.6 miles)
Lowest 6 October, 2025
24.1 °FAverage October
50 °FHighest 10 October, 2025
75.9 °F
Climate (2020–Present)
Helena Regional Airport (28.6 miles)
Average Low 2020–2025
36.1 °FAverage 2020–2025
47.5 °FAverage High 2020–2025
59.3 °F