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Whitehall, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Whitehall, a town in Jefferson County, Montana.

Today
50°F
Mostly Sunny
Mostly sunny. High near 50, with temperatures falling to around 46 in the afternoon. South southwest wind around 3 mph.

7-day forecast for Whitehall

WhenTempForecastWindPrecip
Today 50°F Mostly Sunny 3 mph SSW 0%
Tonight 26°F Mostly Cloudy 2 mph WNW 0%
Wednesday 51°F Mostly Sunny 1 mph N 0%
Wednesday Night 26°F Mostly Clear 3 mph SW 0%
Thursday 51°F Mostly Sunny 3 to 7 mph SW 8%
Thursday Night 26°F Partly Cloudy 6 mph WSW 8%
Friday 51°F Mostly Sunny 5 to 13 mph SW 4%
Friday Night 30°F Partly Cloudy 8 to 16 mph WSW 4%
Saturday 54°F Mostly Sunny 6 to 9 mph SW 0%
Saturday Night 30°F Partly Cloudy 7 mph SW 0%
Sunday 58°F Mostly Sunny 6 to 10 mph SW 1%
Sunday Night 32°F Mostly Cloudy 6 mph WSW 1%
Monday 55°F Partly Sunny 3 mph WSW 2%
Monday Night 33°F Mostly Cloudy 5 mph WSW 2%

Forecast source: National Weather Service (api.weather.gov) for Whitehall (45.871, -112.098). Updated through the day.

Growing snapshot for Whitehall

Last spring frost
Jun 13
First fall frost
Sep 5
Growing season
83 days
Hardiness zone
5a

More local growing data for Whitehall: nearby ZIP 59759 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Butte Bert Mooney Ap, Mt (18.1 mi from Whitehall). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.