Fort Belknap Agency, MT Weather & Growing Conditions
Today
78°F
Sunny
Sunny, with a high near 78. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Sunny | 8 to 13 mph WNW | 1% |
| Tonight | 49°F | Mostly Clear | 3 to 13 mph WSW | 1% |
| Wednesday | 87°F | Mostly Sunny | 3 to 16 mph W | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 15 mph W | 0% |
| Thursday | 94°F | Sunny | 3 to 15 mph WNW | 0% |
| Thursday Night | 54°F | Mostly Clear | 5 to 16 mph NNE | 0% |
| Friday | 95°F | Sunny | 6 to 15 mph E | 0% |
| Friday Night | 55°F | Mostly Clear | 10 to 15 mph NE | 0% |
| Saturday | 93°F | Sunny | 15 mph NNE | 0% |
| Saturday Night | 56°F | Partly Cloudy | 13 mph NE | 1% |
| Sunday | 90°F | Mostly Sunny | 12 to 15 mph NE | 2% |
| Sunday Night | 55°F | Partly Cloudy | 12 to 15 mph NE | 14% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 13 mph ENE | 15% |
| Monday Night | 55°F | Partly Cloudy then Chance Rain Showers | 13 to 16 mph ENE | 26% |
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 Aug 4, 2026.