Busby, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Busby, a community in Big Horn County, Montana.
This Afternoon
81°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 81. North wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Busby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Slight Chance Showers And Thunderstorms | 6 mph N | 15% |
| Tonight | 56°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 6 mph WNW | 92% |
| Saturday | 64°F | Patchy Fog | 2 to 7 mph N | 92% |
| Saturday Night | 52°F | Showers And Thunderstorms | 6 mph NE | 95% |
| Sunday | 62°F | Rain Showers | 8 mph WNW | 78% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph WNW | 27% |
| Monday | 72°F | Mostly Sunny | 1 to 5 mph SSE | 2% |
| Monday Night | 50°F | Mostly Clear | 3 mph SE | 0% |
| Tuesday | 79°F | Sunny | 3 mph SSE | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 1 mph SE | 9% |
| Wednesday | 79°F | Mostly Sunny | 1 to 5 mph W | 6% |
| Wednesday Night | 54°F | Mostly Clear | 2 mph SE | 3% |
| Thursday | 81°F | Sunny | 1 to 6 mph SE | 1% |
| Thursday Night | 55°F | Partly Cloudy | 5 mph SE | 2% |
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 Sep 19, 2026.