Busby, MT Weather & Growing Conditions
This Afternoon
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 48 in the afternoon. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Sunny | 5 mph S | 0% |
| Tonight | 33°F | Clear | 0 to 8 mph SSE | 0% |
| Wednesday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 34°F | Patchy Fog | 1 to 5 mph SE | 0% |
| Thursday | 55°F | Sunny | 3 mph W | 0% |
| Thursday Night | 36°F | Partly Cloudy | 3 mph WNW | 1% |
| Friday | 53°F | Sunny | 1 to 5 mph WSW | 3% |
| Friday Night | 40°F | Partly Cloudy | 1 to 5 mph WSW | 9% |
| Saturday | 56°F | Sunny | 1 to 8 mph W | 1% |
| Saturday Night | 41°F | Mostly Clear | 1 to 5 mph S | 0% |
| Sunday | 65°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 42°F | Partly Cloudy | 2 mph WNW | 0% |
| Monday | 56°F | Mostly Sunny | 2 to 6 mph NNW | 2% |
| Monday Night | 42°F | Mostly Cloudy | 3 mph SSE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Busby, MT
Last spring frost
May 23
First fall frost
Sep 15
Growing season
113 days
Hardiness zone
5a
Explore more for Busby, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Busby, Mt (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.