Birney, MT Weather & Growing Conditions
Tonight
55°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms between 8pm and 3am, then patchy fog and showers and thunderstorms likely. Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. Northwest wind 1 to 6 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 6 mph NW | 86% |
| Saturday | 66°F | Areas Of Fog | 0 to 7 mph N | 89% |
| Saturday Night | 51°F | Showers And Thunderstorms | 6 mph N | 81% |
| Sunday | 63°F | Rain Showers Likely | 5 to 8 mph NW | 73% |
| Sunday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 0 to 6 mph NNW | 34% |
| Monday | 71°F | Mostly Sunny | 0 to 5 mph SE | 3% |
| Monday Night | 48°F | Mostly Clear | 0 to 3 mph SE | 0% |
| Tuesday | 79°F | Sunny | 0 to 3 mph SE | 2% |
| Tuesday Night | 51°F | Partly Cloudy | 0 to 3 mph ENE | 9% |
| Wednesday | 80°F | Mostly Sunny | 0 to 5 mph NNE | 4% |
| Wednesday Night | 51°F | Mostly Clear | 2 mph NNE | 4% |
| Thursday | 82°F | Sunny | 0 to 5 mph SE | 2% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph SE | 1% |
| Friday | 82°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 15% |
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 Sep 19, 2026.