Fort Belknap Agency, MT Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. East northeast wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 3 to 7 mph ENE | 0% |
| Saturday | 69°F | Mostly Cloudy | 3 to 12 mph NE | 0% |
| Saturday Night | 51°F | Mostly Cloudy | 6 to 10 mph ESE | 9% |
| Sunday | 69°F | Partly Sunny | 6 to 13 mph ESE | 4% |
| Sunday Night | 49°F | Partly Cloudy | 9 to 14 mph ESE | 1% |
| Monday | 75°F | Mostly Sunny | 9 to 15 mph SE | 0% |
| Monday Night | 49°F | Mostly Clear | 6 to 15 mph SE | 0% |
| Tuesday | 80°F | Sunny | 6 mph SSW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 2 to 6 mph E | 1% |
| Wednesday | 80°F | Sunny | 3 to 9 mph SSW | 2% |
| Wednesday Night | 50°F | Mostly Clear | 3 to 7 mph SSE | 3% |
| Thursday | 81°F | Sunny | 5 to 9 mph SE | 0% |
| Thursday Night | 51°F | Partly Cloudy | 10 mph SE | 2% |
| Friday | 81°F | Mostly Sunny | 7 to 12 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Belknap Agency, MT
Last spring frost
May 16
First fall frost
Sep 22
Growing season
128 days
Hardiness zone
4a
Explore more for Fort Belknap Agency, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Ft Belknap 2 Sw, Mt (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.