Stevensville, MT Weather & Growing Conditions
This Afternoon
70°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. South wind around 3 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Slight Chance Showers And Thunderstorms | 3 mph S | 20% |
| Tonight | 42°F | Patchy Fog | 3 mph SSE | 5% |
| Sunday | 77°F | Patchy Fog then Sunny | 2 mph SW | 1% |
| Sunday Night | 43°F | Mostly Clear | 1 mph W | 0% |
| Monday | 81°F | Sunny | 2 mph SSW | 0% |
| Monday Night | 45°F | Mostly Clear | 2 mph WSW | 0% |
| Tuesday | 80°F | Sunny | 2 mph S | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 2 mph SW | 4% |
| Wednesday | 79°F | Mostly Sunny | 3 mph SSW | 6% |
| Wednesday Night | 44°F | Partly Cloudy | 3 mph W | 7% |
| Thursday | 79°F | Mostly Sunny | 2 mph SSW | 2% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph W | 7% |
| Friday | 77°F | Mostly Sunny | 1 to 5 mph SSW | 6% |
| Friday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stevensville, MT
Last spring frost
May 22
First fall frost
Sep 19
Growing season
115 days
Hardiness zone
5b
Explore more for Stevensville, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Stevensville, Mt (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.