Harman US

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

WhenTempForecastWindPrecip
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.