Birney, MT Weather & Growing Conditions
This Afternoon
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 46 in the afternoon. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Sunny | 2 mph SE | 0% |
| Tonight | 27°F | Mostly Clear | 2 mph SSE | 0% |
| Wednesday | 54°F | Mostly Sunny | 3 mph WSW | 0% |
| Wednesday Night | 28°F | Patchy Fog | 2 mph N | 0% |
| Thursday | 58°F | Sunny | 2 mph NNE | 0% |
| Thursday Night | 31°F | Partly Cloudy | 2 mph NNW | 1% |
| Friday | 56°F | Sunny | 0 to 5 mph WSW | 2% |
| Friday Night | 33°F | Partly Cloudy | 1 mph WSW | 7% |
| Saturday | 60°F | Sunny | 1 to 6 mph W | 1% |
| Saturday Night | 33°F | Mostly Clear | 1 mph SW | 0% |
| Sunday | 67°F | Sunny | 2 mph WSW | 0% |
| Sunday Night | 37°F | Partly Cloudy | 0 mph | 0% |
| Monday | 60°F | Mostly Sunny | 0 to 3 mph NNE | 1% |
| Monday Night | 35°F | Partly Cloudy | 2 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Birney, MT
Last spring frost
May 23
First fall frost
Sep 15
Growing season
113 days
Hardiness zone
4b
Explore more for Birney, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Busby, Mt (22 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.