Busby, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Busby, a community in Big Horn County, Montana.
Tonight
31°F
Clear
Clear, with a low around 31. South southwest wind 0 to 5 mph.
7-day forecast for Busby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 31°F | Clear | 0 to 5 mph SSW | 0% |
| Wednesday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 32°F | Patchy Fog | 0 to 3 mph SSE | 0% |
| Thursday | 57°F | Sunny | 3 mph W | 0% |
| Thursday Night | 34°F | Partly Cloudy | 2 mph W | 1% |
| Friday | 55°F | Sunny | 1 to 5 mph SW | 4% |
| Friday Night | 38°F | Partly Cloudy | 3 mph WSW | 9% |
| Saturday | 58°F | Sunny | 1 to 7 mph W | 1% |
| Saturday Night | 38°F | Mostly Clear | 2 mph S | 0% |
| Sunday | 67°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Sunday Night | 40°F | Partly Cloudy | 1 mph NW | 0% |
| Monday | 59°F | Mostly Sunny | 1 to 5 mph NW | 2% |
| Monday Night | 39°F | Mostly Cloudy | 3 mph SSE | 2% |
| Tuesday | 62°F | Mostly Sunny | 1 to 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Busby (45.526, -106.978). Updated through the day.
Growing snapshot for Busby
Last spring frost
May 23
First fall frost
Sep 15
Growing season
113 days
Hardiness zone
5a
More local growing data for Busby: nearby ZIP 59016 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Busby, Mt (5.7 mi from Busby). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.