Birney, MT Weather & Growing Conditions
Today
76°F
Patchy Smoke then Sunny
Patchy smoke before noon. Sunny, with a high near 76. North northwest wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Smoke then Sunny | 1 to 6 mph NNW | 0% |
| Tonight | 49°F | Slight Chance Rain Showers then Mostly Clear | 2 to 8 mph E | 15% |
| Wednesday | 86°F | Sunny | 2 to 8 mph WSW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 2 to 8 mph NE | 0% |
| Thursday | 94°F | Sunny | 1 to 7 mph W | 0% |
| Thursday Night | 58°F | Mostly Clear | 2 to 8 mph E | 0% |
| Friday | 98°F | Sunny | 1 to 7 mph S | 0% |
| Friday Night | 61°F | Mostly Clear | 5 to 8 mph NNE | 0% |
| Saturday | 96°F | Sunny | 5 to 13 mph WNW | 0% |
| Saturday Night | 62°F | Mostly Clear | 5 to 10 mph ENE | 1% |
| Sunday | 96°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Sunday Night | 62°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Monday | 92°F | Mostly Sunny | 5 to 12 mph NE | 6% |
| Monday Night | 62°F | Slight Chance Showers And Thunderstorms | 6 to 13 mph ENE | 18% |
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 Aug 4, 2026.