Birney, MT Weather & Growing Conditions
Overnight
55°F
Patchy Fog
Patchy fog and showers and thunderstorms likely before 3am, then patchy fog and showers and thunderstorms. Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. Northwest wind around 5 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Patchy Fog | 5 mph NW | 77% |
| Saturday | 65°F | Patchy Fog | 2 to 8 mph NNW | 91% |
| Saturday Night | 48°F | Patchy Fog | 5 to 8 mph NNE | 93% |
| Sunday | 63°F | Rain Showers | 5 to 8 mph NNW | 90% |
| Sunday Night | 46°F | Chance Rain Showers then Areas Of Fog | 0 to 5 mph N | 39% |
| Monday | 71°F | Areas Of Fog then Partly Sunny | 0 to 5 mph ESE | 3% |
| Monday Night | 45°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Tuesday | 78°F | Patchy Fog then Sunny | 0 to 3 mph ESE | 0% |
| 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.