Grant, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grant, a community in Beaverhead County, Montana.
Overnight
41°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 41. East southeast wind around 2 mph.
7-day forecast for Grant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Areas Of Smoke | 2 mph ESE | 0% |
| Tuesday | 78°F | Areas Of Smoke | 1 to 9 mph NE | 0% |
| Tuesday Night | 43°F | Areas Of Smoke | 2 to 12 mph NW | 0% |
| Wednesday | 85°F | Areas Of Smoke | 1 to 10 mph WSW | 0% |
| Wednesday Night | 46°F | Patchy Smoke then Mostly Clear | 3 to 10 mph W | 0% |
| Thursday | 91°F | Sunny | 2 to 14 mph WSW | 0% |
| Thursday Night | 50°F | Mostly Clear | 3 to 13 mph WSW | 0% |
| Friday | 93°F | Sunny | 1 to 21 mph WSW | 0% |
| Friday Night | 51°F | Mostly Clear | 5 to 17 mph W | 0% |
| Saturday | 93°F | Sunny | 2 to 18 mph WSW | 0% |
| Saturday Night | 52°F | Mostly Clear | 3 to 17 mph W | 0% |
| Sunday | 91°F | Sunny | 1 to 15 mph WSW | 1% |
| Sunday Night | 50°F | Mostly Clear | 3 to 18 mph WNW | 1% |
| Monday | 90°F | Sunny | 1 to 12 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grant (45.010, -113.067). Updated through the day.
Growing snapshot for Grant
Growing season
72 days
Hardiness zone
5a
More local growing data for Grant: nearby ZIP 59725 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dillon 18 Wsw, Mt (10.2 mi from Grant). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.