Birney, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Birney, a community in Rosebud County, Montana.
Overnight
45°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 45. Wind around 0 mph.
7-day forecast for Birney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Patchy Smoke | 0 mph | 0% |
| Tuesday | 78°F | Patchy Smoke then Sunny | 0 to 6 mph NE | 0% |
| Tuesday Night | 52°F | Patchy Smoke then Mostly Clear | 0 to 6 mph NNE | 12% |
| Wednesday | 88°F | Sunny | 1 to 6 mph WSW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 1 to 6 mph WSW | 0% |
| Thursday | 96°F | Sunny | 1 to 5 mph W | 0% |
| Thursday Night | 61°F | Mostly Clear | 0 to 7 mph NE | 0% |
| Friday | 101°F | Sunny | 0 to 5 mph WSW | 0% |
| Friday Night | 64°F | Mostly Clear | 2 to 6 mph NNW | 0% |
| Saturday | 97°F | Sunny | 2 to 9 mph NW | 0% |
| Saturday Night | 65°F | Mostly Clear | 1 to 8 mph NE | 0% |
| Sunday | 97°F | Mostly Sunny | 1 to 8 mph NNW | 0% |
| Sunday Night | 65°F | Partly Cloudy | 2 to 8 mph NE | 6% |
| Monday | 94°F | Mostly Sunny | 2 to 9 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Birney (45.415, -106.493). Updated through the day.
Growing snapshot for Birney
Last spring frost
May 23
First fall frost
Sep 15
Growing season
113 days
Hardiness zone
4b
More local growing data for Birney: nearby ZIP 59012 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Busby, Mt (22 mi from Birney). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.