Whitehall, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitehall, a town in Jefferson County, Montana.
Tonight
50°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 50. Northwest wind 3 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Whitehall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Showers And Thunderstorms | 3 to 7 mph NW | 99% |
| Saturday | 58°F | Showers And Thunderstorms | 6 mph N | 90% |
| Saturday Night | 46°F | Chance Light Rain then Patchy Fog | 3 mph WNW | 50% |
| Sunday | 70°F | Mostly Sunny | 2 mph SW | 3% |
| Sunday Night | 45°F | Mostly Clear | 3 mph SSE | 0% |
| Monday | 77°F | Sunny | 1 to 5 mph SW | 0% |
| Monday Night | 47°F | Mostly Clear | 3 mph W | 1% |
| Tuesday | 77°F | Sunny | 3 mph SW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 3 mph W | 2% |
| Wednesday | 77°F | Sunny | 2 to 8 mph SW | 1% |
| Wednesday Night | 47°F | Mostly Clear | 1 to 5 mph SW | 2% |
| Thursday | 78°F | Sunny | 3 mph SW | 1% |
| Thursday Night | 48°F | Mostly Clear | 3 mph SSW | 1% |
| Friday | 79°F | Mostly Sunny | 2 to 6 mph SW | 0% |
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
Nearby towns & communities
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 Sep 19, 2026.