Ballantine, MT Weather & Growing Conditions
This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 46 in the afternoon. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Sunny | 6 mph SW | 0% |
| Tonight | 31°F | Mostly Clear then Patchy Fog | 5 mph SSW | 0% |
| Wednesday | 52°F | Patchy Fog then Mostly Sunny | 2 to 6 mph W | 0% |
| Wednesday Night | 32°F | Patchy Fog | 3 mph SSW | 0% |
| Thursday | 57°F | Mostly Sunny | 6 mph WSW | 1% |
| Thursday Night | 33°F | Partly Cloudy | 6 mph WSW | 4% |
| Friday | 57°F | Sunny | 5 to 9 mph WSW | 4% |
| Friday Night | 39°F | Partly Cloudy | 6 to 10 mph WSW | 4% |
| Saturday | 61°F | Sunny | 5 to 10 mph WSW | 0% |
| Saturday Night | 37°F | Mostly Clear | 5 mph SW | 0% |
| Sunday | 67°F | Mostly Sunny | 3 to 8 mph WSW | 0% |
| Sunday Night | 39°F | Partly Cloudy | 7 mph W | 0% |
| Monday | 58°F | Mostly Sunny | 5 mph SSW | 0% |
| Monday Night | 38°F | Mostly Cloudy | 5 mph S | 1% |
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 Nov 4, 2026.