Harman US

Wilsall, MT Weather & Growing Conditions

Tonight
45°F
Patchy Fog
Patchy fog and showers and thunderstorms before midnight, then patchy fog and showers and thunderstorms. Cloudy. Low around 45, with temperatures rising to around 47 overnight. North wind around 5 mph. Chance of precipitation is 100%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 45°F Patchy Fog 5 mph N 98%
Saturday 55°F Patchy Fog 3 mph N 90%
Saturday Night 41°F Rain Showers 3 mph NW 76%
Sunday 63°F Chance Rain Showers 2 mph NW 25%
Sunday Night 40°F Partly Cloudy 3 mph SSE 4%
Monday 70°F Sunny 2 mph SSW 0%
Monday Night 42°F Mostly Clear 2 mph SE 0%
Tuesday 73°F Sunny 1 mph W 1%
Tuesday Night 43°F Partly Cloudy 2 mph S 3%
Wednesday 73°F Sunny 0 to 3 mph WSW 2%
Wednesday Night 43°F Mostly Clear 3 mph NNE 3%
Thursday 75°F Sunny 3 mph SSE 2%
Thursday Night 44°F Mostly Clear 3 mph SE 1%
Friday 75°F Mostly Sunny 1 to 5 mph S 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Wilsall, MT

Last spring frost
Jun 4
First fall frost
Sep 6
Growing season
92 days
Hardiness zone
4b

Explore more for Wilsall, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Wilsall 1S, Mt (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.