Birney, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Birney, a community in Rosebud County, Montana.
This Afternoon
84°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny. High near 84, with temperatures falling to around 82 in the afternoon. North wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Birney
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Slight Chance Showers And Thunderstorms | 5 mph N | 17% |
| Tonight | 56°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 5 mph NW | 84% |
| Saturday | 67°F | Patchy Fog | 1 to 6 mph NNE | 91% |
| Saturday Night | 52°F | Showers And Thunderstorms | 5 mph NE | 81% |
| Sunday | 64°F | Rain Showers | 6 mph NW | 76% |
| Sunday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 0 to 3 mph N | 32% |
| Monday | 72°F | Mostly Sunny | 0 to 3 mph SE | 3% |
| Monday Night | 49°F | Mostly Clear | 3 mph SE | 0% |
| Tuesday | 80°F | Sunny | 3 mph SSE | 1% |
| Tuesday Night | 52°F | Partly Cloudy | 2 mph ENE | 10% |
| Wednesday | 81°F | Mostly Sunny | 0 to 3 mph NNW | 8% |
| Wednesday Night | 52°F | Mostly Clear | 2 mph ESE | 4% |
| Thursday | 83°F | Sunny | 3 mph SSE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 3 mph SE | 1% |
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 Sep 19, 2026.