Harman US

Marysville, MT Weather & Growing Conditions

Tonight
50°F
Showers And Thunderstorms
Showers and thunderstorms before 3am, then rain. Cloudy. Low around 50, with temperatures rising to around 53 overnight. Northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 50°F Showers And Thunderstorms 6 mph NE 93%
Saturday 56°F Showers And Thunderstorms 8 mph NE 88%
Saturday Night 46°F Mostly Cloudy 2 to 7 mph SSW 6%
Sunday 66°F Mostly Sunny 5 mph SW 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.