Avon, MT Weather & Growing Conditions
Overnight
46°F
Light Rain
Rain. Cloudy, with a low around 46. North wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Light Rain | 5 mph N | 95% |
| Saturday | 59°F | Showers And Thunderstorms | 3 to 7 mph NNE | 90% |
| Saturday Night | 39°F | Mostly Cloudy then Patchy Fog | 1 to 6 mph E | 5% |
| Sunday | 68°F | Patchy Fog then Mostly Sunny | 1 to 5 mph SW | 0% |
| Sunday Night | 40°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 72°F | Sunny | 2 to 6 mph SW | 0% |
| Monday Night | 43°F | Mostly Clear | 1 to 6 mph SW | 0% |
| Tuesday | 72°F | Sunny | 1 to 5 mph SW | 1% |
| Tuesday Night | 43°F | Partly Cloudy | 1 to 5 mph S | 2% |
| Wednesday | 73°F | Sunny | 1 to 6 mph SSW | 1% |
| Wednesday Night | 44°F | Mostly Clear | 5 mph S | 4% |
| Thursday | 74°F | Sunny | 5 mph S | 2% |
| Thursday Night | 44°F | Partly Cloudy | 5 mph ESE | 5% |
| Friday | 72°F | Mostly Sunny | 3 to 7 mph SSW | 8% |
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 Sep 19, 2026.