Belfry, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belfry, a community in Carbon County, Montana.
Today
61°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 61, with temperatures falling to around 58 in the afternoon. North northwest wind 13 to 21 mph. Chance of precipitation is 80%.
7-day forecast for Belfry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Showers And Thunderstorms | 13 to 21 mph NNW | 77% |
| Tonight | 46°F | Rain Showers | 6 to 21 mph NNW | 76% |
| Sunday | 63°F | Chance Rain Showers | 3 to 7 mph NNW | 48% |
| Sunday Night | 46°F | Partly Cloudy | 1 to 6 mph W | 8% |
| Monday | 71°F | Sunny | 3 to 10 mph SSE | 1% |
| Monday Night | 48°F | Mostly Clear | 6 mph S | 0% |
| Tuesday | 76°F | Sunny | 3 to 7 mph SSE | 1% |
| Tuesday Night | 51°F | Partly Cloudy | 2 mph SSW | 4% |
| Wednesday | 78°F | Mostly Sunny | 5 mph S | 6% |
| Wednesday Night | 51°F | Mostly Clear | 6 mph S | 2% |
| Thursday | 80°F | Sunny | 7 to 10 mph SSE | 1% |
| Thursday Night | 52°F | Mostly Clear | 7 mph SSE | 1% |
| Friday | 80°F | Mostly Sunny | 7 to 13 mph SSE | 2% |
| Friday Night | 50°F | Partly Cloudy | 8 mph SSW | 10% |
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 Sep 19, 2026.