Avon, MT Weather & Growing Conditions
This Afternoon
48°F
Mostly Sunny
Mostly sunny. High near 48, with temperatures falling to around 41 in the afternoon. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Mostly Sunny | 2 mph SE | 0% |
| Tonight | 25°F | Mostly Cloudy | 1 mph ENE | 0% |
| Wednesday | 47°F | Mostly Sunny | 2 mph WNW | 0% |
| Wednesday Night | 25°F | Mostly Clear | 2 mph SW | 0% |
| Thursday | 46°F | Mostly Sunny | 1 to 7 mph WSW | 4% |
| Thursday Night | 25°F | Partly Cloudy | 7 mph WSW | 4% |
| Friday | 47°F | Mostly Sunny | 6 to 12 mph WSW | 14% |
| Friday Night | 28°F | Mostly Cloudy | 8 to 20 mph WSW | 14% |
| Saturday | 49°F | Mostly Sunny | 2 to 8 mph SW | 1% |
| Saturday Night | 30°F | Partly Cloudy | 2 to 6 mph SSW | 1% |
| Sunday | 56°F | Mostly Sunny | 8 mph SW | 4% |
| Sunday Night | 31°F | Partly Cloudy | 2 to 7 mph WSW | 7% |
| Monday | 52°F | Partly Sunny | 3 mph WSW | 4% |
| Monday Night | 31°F | Mostly Cloudy | 5 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Avon, MT
Last spring frost
Jun 9
First fall frost
Sep 8
Growing season
91 days
Hardiness zone
4b
Explore more for Avon, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Elliston, Mt (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.