Marysville, MT Weather & Growing Conditions
Today
71°F
Patchy Smoke
Patchy smoke between 10am and 4pm. Sunny, with a high near 71. Northeast wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke | 2 to 6 mph NE | 0% |
| Tonight | 49°F | Mostly Clear | 6 mph W | 1% |
| Wednesday | 77°F | Sunny | 5 to 9 mph W | 0% |
| Wednesday Night | 54°F | Clear | 6 to 9 mph W | 0% |
| Thursday | 84°F | Sunny | 5 to 12 mph W | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 to 12 mph W | 0% |
| Friday | 86°F | Sunny | 3 to 16 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 9 to 17 mph W | 0% |
| Saturday | 84°F | Sunny | 6 to 13 mph WSW | 0% |
| Saturday Night | 59°F | Mostly Clear | 7 to 12 mph WNW | 0% |
| Sunday | 81°F | Sunny | 5 to 9 mph WNW | 0% |
| Sunday Night | 57°F | Mostly Clear | 5 to 10 mph NNW | 0% |
| Monday | 80°F | Sunny | 3 to 8 mph NNE | 1% |
| Monday Night | 57°F | Mostly Clear | 5 to 9 mph NNW | 3% |
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 Aug 4, 2026.