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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.