Butte-Silver Bow (balance), MT Weather & Growing Conditions
Overnight
48°F
Showers And Thunderstorms
Showers and thunderstorms before 3am, then rain. Cloudy, with a low around 48. Northwest wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Showers And Thunderstorms | 10 mph NW | 96% |
| Saturday | 55°F | Showers And Thunderstorms | 6 to 9 mph N | 98% |
| Saturday Night | 41°F | Chance Light Rain then Mostly Cloudy | 6 mph NW | 25% |
| Sunday | 66°F | Mostly Sunny | 5 mph SW | 2% |
| Sunday Night | 41°F | Mostly Clear | 3 to 7 mph SSE | 1% |
| Monday | 72°F | Sunny | 2 to 6 mph SW | 0% |
| Monday Night | 44°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 72°F | Sunny | 2 to 6 mph SW | 1% |
| Tuesday Night | 45°F | Partly Cloudy | 6 mph W | 3% |
| Wednesday | 74°F | Sunny | 5 to 8 mph SSW | 2% |
| Wednesday Night | 45°F | Mostly Clear | 6 to 12 mph SSW | 1% |
| Thursday | 74°F | Sunny | 10 mph S | 3% |
| Thursday Night | 46°F | Partly Cloudy | 9 to 15 mph S | 4% |
| Friday | 73°F | Mostly Sunny | 9 to 13 mph SSW | 7% |
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 Sep 19, 2026.