Busby, MT Weather & Growing Conditions
This Afternoon
77°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 77. North wind around 6 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Slight Chance Showers And Thunderstorms | 6 mph N | 18% |
| Tonight | 57°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph W | 92% |
| Saturday | 61°F | Patchy Fog | 3 to 7 mph N | 90% |
| Saturday Night | 52°F | Showers And Thunderstorms | 8 mph NE | 94% |
| Sunday | 59°F | Rain Showers | 9 mph WNW | 75% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 1 to 5 mph WSW | 31% |
| Monday | 68°F | Mostly Sunny | 2 to 6 mph SSE | 3% |
| Monday Night | 51°F | Mostly Clear | 6 mph SE | 0% |
| Tuesday | 75°F | Sunny | 5 mph SE | 0% |
| Tuesday Night | 56°F | Partly Cloudy | 3 mph ESE | 10% |
| Wednesday | 76°F | Mostly Sunny | 2 to 6 mph W | 5% |
| Wednesday Night | 56°F | Mostly Clear | 3 mph SE | 3% |
| Thursday | 78°F | Sunny | 6 mph SSE | 1% |
| Thursday Night | 57°F | Partly Cloudy | 6 mph SE | 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 Sep 19, 2026.