Busby, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Busby, a community in Big Horn County, Montana.
Overnight
45°F
Mostly Clear
Mostly clear. Low around 45, with temperatures rising to around 47 overnight. South wind around 1 mph.
7-day forecast for Busby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Mostly Clear | 1 mph S | 0% |
| Tuesday | 76°F | Sunny | 1 to 5 mph NE | 0% |
| Tuesday Night | 53°F | Mostly Clear | 6 mph E | 5% |
| Wednesday | 85°F | Sunny | 2 to 7 mph WSW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 1 to 6 mph SE | 0% |
| Thursday | 92°F | Sunny | 1 to 9 mph WSW | 0% |
| Thursday Night | 62°F | Mostly Clear | 1 to 7 mph ENE | 0% |
| Friday | 98°F | Sunny | 2 to 7 mph SW | 0% |
| Friday Night | 65°F | Mostly Clear | 7 mph E | 0% |
| Saturday | 95°F | Sunny | 3 to 10 mph WNW | 0% |
| Saturday Night | 66°F | Mostly Clear | 7 mph ENE | 0% |
| Sunday | 94°F | Mostly Sunny | 3 to 9 mph NNW | 0% |
| Sunday Night | 65°F | Partly Cloudy | 3 to 7 mph ENE | 5% |
| Monday | 91°F | Mostly Sunny | 3 to 10 mph NE | 3% |
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 Aug 4, 2026.