Belfry, MT Weather & Growing Conditions
Today
61°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 61, with temperatures falling to around 59 in the afternoon. North northwest wind 12 to 21 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Showers And Thunderstorms | 12 to 21 mph NNW | 75% |
| Tonight | 46°F | Rain Showers Likely | 5 to 21 mph NNW | 67% |
| Sunday | 63°F | Chance Rain Showers | 2 to 7 mph NNW | 49% |
| Sunday Night | 46°F | Partly Cloudy | 1 to 5 mph W | 9% |
| Monday | 71°F | Sunny | 2 to 9 mph S | 2% |
| Monday Night | 49°F | Mostly Clear | 6 mph SSW | 0% |
| Tuesday | 75°F | Sunny | 6 mph S | 1% |
| Tuesday Night | 52°F | Partly Cloudy | 3 mph SSW | 4% |
| Wednesday | 78°F | Mostly Sunny | 5 mph SSW | 8% |
| Wednesday Night | 52°F | Mostly Clear | 2 to 6 mph SSW | 3% |
| Thursday | 80°F | Sunny | 6 to 9 mph SSE | 1% |
| Thursday Night | 52°F | Mostly Clear | 7 mph S | 1% |
| Friday | 80°F | Mostly Sunny | 7 to 10 mph S | 3% |
| Friday Night | 51°F | Partly Cloudy | 8 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Belfry, MT
Last spring frost
May 18
First fall frost
Sep 22
Growing season
125 days
Hardiness zone
5a
Explore more for Belfry, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Clark 3Ne, Wy (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.