Birney, MT Weather & Growing Conditions
This Afternoon
66°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. North northwest wind around 8 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms | 8 mph NNW | 91% |
| Tonight | 48°F | Showers And Thunderstorms | 5 to 8 mph NNW | 94% |
| Sunday | 61°F | Showers And Thunderstorms | 5 to 9 mph NNW | 87% |
| Sunday Night | 45°F | Rain Showers Likely then Areas Of Fog | 1 to 5 mph ENE | 67% |
| Monday | 68°F | Areas Of Fog then Partly Sunny | 1 to 7 mph SE | 3% |
| Monday Night | 45°F | Mostly Clear | 10 mph SE | 0% |
| Tuesday | 78°F | Patchy Fog then Sunny | 8 mph SSE | 0% |
| Tuesday Night | 50°F | Mostly Clear | 5 to 8 mph SE | 6% |
| Wednesday | 79°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 7 mph WSW | 16% |
| Wednesday Night | 48°F | Partly Cloudy | 1 to 5 mph S | 4% |
| Thursday | 82°F | Sunny | 2 to 8 mph SSE | 2% |
| Thursday Night | 52°F | Mostly Clear | 6 to 10 mph SE | 2% |
| Friday | 83°F | Mostly Sunny | 10 to 14 mph SSE | 1% |
| Friday Night | 50°F | Partly Cloudy | 7 to 10 mph SSE | 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 Sep 19, 2026.