Marysville, MT Weather & Growing Conditions
Tonight
50°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 3am, then rain. Cloudy. Low around 50, with temperatures rising to around 53 overnight. North northeast wind 6 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 10 mph NNE | 96% |
| Saturday | 56°F | Rain | 6 to 9 mph NNE | 91% |
| Saturday Night | 46°F | Slight Chance Light Rain then Mostly Cloudy | 6 mph WSW | 21% |
| Sunday | 66°F | Mostly Sunny | 5 mph WSW | 0% |
| Sunday Night | 47°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 69°F | Sunny | 5 to 8 mph WSW | 0% |
| Monday Night | 49°F | Mostly Clear | 7 mph WSW | 0% |
| Tuesday | 69°F | Sunny | 7 mph WSW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 6 mph WSW | 1% |
| Wednesday | 69°F | Sunny | 5 to 9 mph WSW | 2% |
| Wednesday Night | 50°F | Mostly Clear | 6 mph WSW | 2% |
| Thursday | 71°F | Sunny | 6 mph S | 0% |
| Thursday Night | 52°F | Mostly Clear | 6 mph S | 1% |
| Friday | 71°F | Mostly Sunny | 5 to 8 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marysville, MT
Last spring frost
Jun 4
First fall frost
Sep 14
Growing season
100 days
Hardiness zone
4b
Explore more for Marysville, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Austin 1 W, Mt (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.