Augusta, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Augusta, a community in Teton County, Montana.
Overnight
43°F
Mostly Clear
Mostly clear. Low around 43, with temperatures rising to around 46 overnight. West wind around 3 mph.
7-day forecast for Augusta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 78°F | Sunny | 1 to 6 mph SE | 1% |
| Tuesday Night | 50°F | Mostly Clear | 6 mph NW | 2% |
| Wednesday | 87°F | Sunny | 3 to 7 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 5 to 8 mph W | 0% |
| Thursday | 93°F | Sunny | 7 mph WNW | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 12 mph WNW | 0% |
| Friday | 98°F | Sunny | 1 to 18 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 8 to 17 mph W | 0% |
| Saturday | 93°F | Sunny | 3 to 12 mph WSW | 0% |
| Saturday Night | 58°F | Mostly Clear | 6 to 12 mph WNW | 0% |
| Sunday | 89°F | Sunny | 2 to 8 mph NNW | 1% |
| Sunday Night | 56°F | Partly Cloudy | 5 to 10 mph NNW | 1% |
| Monday | 86°F | Sunny | 2 to 8 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Augusta (47.489, -112.392). Updated through the day.
Growing snapshot for Augusta
Last spring frost
May 13
First fall frost
Sep 27
Growing season
135 days
Hardiness zone
4b
More local growing data for Augusta: nearby ZIP 59436 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Bynum
Choteau
Dutton
Gilman
Miller Colony
New Miami Colony
New Rockport Colony
Pendroy
Power
Rockport Colony
Climate data from the nearest NOAA station, Fairfield, Mt (6.2 mi from Augusta). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.