Ballantine, MT Weather & Growing Conditions
Tonight
56°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 9pm, then showers and thunderstorms. Cloudy. Low around 56, with temperatures rising to around 58 overnight. North northwest wind 6 to 9 mph. Chance of precipitation is 100%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 to 9 mph NNW | 98% |
| Saturday | 63°F | Showers And Thunderstorms | 9 to 13 mph N | 98% |
| Saturday Night | 53°F | Showers And Thunderstorms | 12 mph N | 93% |
| Sunday | 63°F | Rain Showers | 9 mph NNW | 84% |
| Sunday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 7 mph N | 20% |
| Monday | 73°F | Mostly Sunny | 1 to 5 mph S | 0% |
| Monday Night | 49°F | Mostly Clear | 5 mph SSE | 0% |
| Tuesday | 79°F | Mostly Sunny | 5 mph WSW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 3 mph SE | 8% |
| Wednesday | 79°F | Mostly Sunny | 6 mph WSW | 6% |
| Wednesday Night | 52°F | Mostly Clear | 2 mph SSE | 2% |
| Thursday | 80°F | Sunny | 5 mph S | 1% |
| Thursday Night | 52°F | Mostly Clear | 5 mph ESE | 1% |
| Friday | 81°F | Mostly Sunny | 5 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ballantine, MT
Last spring frost
May 12
First fall frost
Sep 25
Growing season
136 days
Hardiness zone
4b
Explore more for Ballantine, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Huntley Exp Stn, Mt (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.