Harman US

Butte-Silver Bow (balance), MT Weather & Growing Conditions

Tonight
28°F
Mostly Cloudy
Mostly cloudy, with a low around 28. South wind 1 to 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 28°F Mostly Cloudy 1 to 6 mph S 0%
Wednesday 49°F Mostly Sunny 2 mph NNW 0%
Wednesday Night 28°F Mostly Clear 2 to 9 mph SSW 0%
Thursday 46°F Mostly Sunny 5 to 8 mph SW 6%
Thursday Night 27°F Partly Cloudy 8 mph SW 6%
Friday 48°F Mostly Sunny 8 to 12 mph SSW 1%
Friday Night 31°F Partly Cloudy 9 to 15 mph SW 1%
Saturday 53°F Mostly Sunny 6 to 10 mph SSW 0%
Saturday Night 33°F Partly Cloudy 8 to 20 mph S 1%
Sunday 56°F Mostly Sunny 10 to 21 mph SSW 2%
Sunday Night 32°F Partly Cloudy 8 to 12 mph SW 2%
Monday 52°F Partly Sunny 8 mph SSW 3%
Monday Night 34°F Partly Cloudy 7 to 13 mph SSW 3%
Tuesday 52°F Mostly Sunny 10 mph SW 5%

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

Growing snapshot for Butte-Silver Bow (balance), MT

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

Explore more for Butte-Silver Bow (balance), MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Butte Bert Mooney Ap, Mt (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.