Birney, MT Weather & Growing Conditions
This Afternoon
55°F
Partly Sunny
Partly sunny. High near 55, with temperatures falling to around 48 in the afternoon. North northwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Partly Sunny | 6 mph NNW | 0% |
| Tonight | 27°F | Mostly Cloudy | 2 to 7 mph WSW | 0% |
| Thursday | 61°F | Mostly Sunny | 8 mph SE | 0% |
| Thursday Night | 30°F | Mostly Cloudy | 2 to 7 mph NW | 0% |
| Friday | 55°F | Mostly Sunny | 5 mph WSW | 0% |
| Friday Night | 30°F | Mostly Clear | 3 mph S | 0% |
| Saturday | 61°F | Sunny | 2 to 8 mph W | 0% |
| Saturday Night | 32°F | Mostly Clear | 5 mph SSW | 0% |
| Sunday | 67°F | Sunny | 1 to 7 mph SW | 0% |
| Sunday Night | 35°F | Partly Cloudy | 1 mph NNW | 0% |
| Monday | 60°F | Mostly Sunny | 0 to 7 mph NNE | 0% |
| Monday Night | 32°F | Mostly Cloudy | 0 to 6 mph SE | 0% |
| Tuesday | 63°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Tuesday Night | 34°F | Partly Cloudy | 2 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Birney, MT
Last spring frost
May 25
First fall frost
Sep 19
Growing season
115 days
Hardiness zone
5a
Explore more for Birney, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Sonnette 7 Sw, Mt (19 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.