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Wilsall, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Wilsall, a community in Park County, Montana.

Tonight
23°F
Partly Cloudy
Partly cloudy. Low around 23, with temperatures rising to around 25 overnight. Northwest wind 0 to 5 mph.

7-day forecast for Wilsall

WhenTempForecastWindPrecip
Tonight 23°F Partly Cloudy 0 to 5 mph NW 0%
Wednesday 51°F Mostly Sunny 0 to 5 mph W 0%
Wednesday Night 23°F Mostly Clear 0 to 3 mph NW 0%
Thursday 51°F Mostly Sunny 1 to 5 mph WSW 12%
Thursday Night 23°F Patchy Fog 3 mph W 12%
Friday 50°F Patchy Fog then Sunny 2 to 6 mph SW 7%
Friday Night 26°F Partly Cloudy 5 to 8 mph WSW 7%
Saturday 55°F Sunny 5 mph SW 0%
Saturday Night 28°F Partly Cloudy 5 mph S 0%
Sunday 61°F Mostly Sunny 5 to 8 mph SSW 1%
Sunday Night 28°F Partly Cloudy 2 to 6 mph WSW 1%
Monday 56°F Mostly Sunny 2 mph SW 2%
Monday Night 29°F Partly Cloudy 2 mph SSW 2%
Tuesday 57°F Mostly Sunny 5 mph WSW 2%

Forecast source: National Weather Service (api.weather.gov) for Wilsall (45.984, -110.660). Updated through the day.

Growing snapshot for Wilsall

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

More local growing data for Wilsall: nearby ZIP 59086 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Wilsall 1S, Mt (5.1 mi from Wilsall). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.