Busby, MT Weather & Growing Conditions
Overnight
45°F
Patchy Smoke
Patchy smoke. Mostly clear. Low around 45, with temperatures rising to around 48 overnight. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Patchy Smoke | 2 mph S | 0% |
| Tuesday | 73°F | Patchy Smoke then Sunny | 2 to 6 mph NNE | 0% |
| Tuesday Night | 54°F | Mostly Clear | 8 mph E | 7% |
| Wednesday | 81°F | Sunny | 3 to 8 mph SW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 2 to 6 mph SE | 0% |
| Thursday | 90°F | Sunny | 3 to 9 mph WSW | 0% |
| Thursday Night | 63°F | Mostly Clear | 3 to 8 mph ENE | 0% |
| Friday | 95°F | Sunny | 3 to 8 mph SW | 0% |
| Friday Night | 67°F | Mostly Clear | 7 mph SSE | 0% |
| Saturday | 92°F | Sunny | 6 to 12 mph WNW | 0% |
| Saturday Night | 67°F | Mostly Clear | 8 mph ENE | 0% |
| Sunday | 91°F | Mostly Sunny | 5 to 9 mph NNW | 0% |
| Sunday Night | 66°F | Partly Cloudy | 5 to 8 mph ENE | 5% |
| Monday | 89°F | Mostly Sunny | 5 to 10 mph NE | 3% |
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 Aug 4, 2026.