Busby, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Busby, a community in Big Horn County, Montana.
Today
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 63, with temperatures falling to around 61 in the afternoon. North wind around 9 mph. Chance of precipitation is 100%.
7-day forecast for Busby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Showers And Thunderstorms | 9 mph N | 98% |
| Tonight | 50°F | Patchy Fog | 5 to 8 mph NNE | 92% |
| Sunday | 62°F | Rain Showers | 8 mph NNW | 76% |
| Sunday Night | 48°F | Chance Rain Showers then Patchy Fog | 0 to 3 mph ESE | 40% |
| Monday | 71°F | Patchy Fog then Mostly Sunny | 3 mph SSE | 2% |
| Monday Night | 49°F | Mostly Clear | 5 mph SE | 1% |
| Tuesday | 78°F | Sunny | 3 mph S | 0% |
| Tuesday Night | 53°F | Partly Cloudy | 2 mph ESE | 8% |
| Wednesday | 79°F | Mostly Sunny | 1 to 5 mph SSE | 6% |
| Wednesday Night | 53°F | Partly Cloudy | 2 mph SSE | 3% |
| Thursday | 82°F | Sunny | 1 to 6 mph SSW | 2% |
| Thursday Night | 55°F | Mostly Clear | 6 mph SE | 0% |
| Friday | 82°F | Mostly Sunny | 5 mph SSE | 0% |
| Friday Night | 52°F | Partly Cloudy | 3 mph SSE | 5% |
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.