Fort Belknap Agency, MT Weather & Growing Conditions
Overnight
31°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 31. West northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 31°F | Patchy Fog | 2 mph WNW | 0% |
| Wednesday | 46°F | Patchy Fog then Sunny | 3 to 8 mph NW | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 1 to 5 mph SSE | 0% |
| Thursday | 51°F | Mostly Sunny | 2 to 6 mph SW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 6 to 13 mph W | 0% |
| Friday | 55°F | Sunny | 5 to 10 mph WSW | 0% |
| Friday Night | 38°F | Partly Cloudy | 8 to 18 mph WSW | 0% |
| Saturday | 58°F | Sunny | 3 to 17 mph WSW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph SSE | 0% |
| Sunday | 63°F | Partly Sunny | 5 to 15 mph WSW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 10 to 26 mph W | 1% |
| Monday | 54°F | Mostly Sunny | 6 to 10 mph W | 1% |
| Monday Night | 35°F | Partly Cloudy | 6 mph S | 1% |
| Tuesday | 59°F | Mostly Sunny | 3 to 9 mph SW | 0% |
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 Nov 4, 2026.