Belfry, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belfry, a community in Carbon County, Montana.
Today
77°F
Patchy Smoke
Patchy smoke. Sunny. High near 77, with temperatures falling to around 74 in the afternoon. North northeast wind 3 to 10 mph.
7-day forecast for Belfry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Patchy Smoke | 3 to 10 mph NNE | 8% |
| Tonight | 51°F | Patchy Smoke | 1 to 13 mph NW | 7% |
| Wednesday | 86°F | Sunny | 1 to 6 mph SE | 0% |
| Wednesday Night | 55°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Thursday | 94°F | Sunny | 1 to 6 mph SE | 0% |
| Thursday Night | 60°F | Mostly Clear | 3 to 8 mph NW | 0% |
| Friday | 98°F | Sunny | 1 to 5 mph SSE | 0% |
| Friday Night | 64°F | Mostly Clear | 6 to 9 mph WNW | 0% |
| Saturday | 97°F | Sunny | 2 to 8 mph N | 0% |
| Saturday Night | 63°F | Mostly Clear | 5 to 9 mph N | 1% |
| Sunday | 95°F | Sunny | 3 to 9 mph N | 3% |
| Sunday Night | 63°F | Partly Cloudy | 7 to 12 mph NNW | 6% |
| Monday | 92°F | Sunny | 7 to 10 mph N | 2% |
| Monday Night | 61°F | Partly Cloudy | 7 to 13 mph N | 8% |
Forecast source: National Weather Service (api.weather.gov) for Belfry (45.137, -108.998). Updated through the day.
Growing snapshot for Belfry
Last spring frost
May 18
First fall frost
Sep 22
Growing season
125 days
Hardiness zone
5a
More local growing data for Belfry: nearby ZIP 59008 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Bearcreek
Boyd
Bridger
Edgar
Fox
Fromberg
Joliet
Luther
Montaqua
Red Lodge
Roberts
Rockvale
Roscoe
Silesia
Climate data from the nearest NOAA station, Clark 3Ne, Wy (10.3 mi from Belfry). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.