Augusta, MT Weather & Growing Conditions
Overnight
39°F
Mostly Clear
Mostly clear, with a low around 39. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Mostly Clear | 3 mph W | 0% |
| Tuesday | 67°F | Mostly Sunny | 2 to 6 mph SSE | 1% |
| Tuesday Night | 48°F | Mostly Clear | 3 to 8 mph NW | 2% |
| Wednesday | 75°F | Sunny | 3 to 9 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 7 mph W | 0% |
| Thursday | 82°F | Sunny | 8 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph W | 0% |
| Friday | 83°F | Sunny | 3 to 17 mph W | 0% |
| Friday Night | 57°F | Mostly Clear | 12 to 17 mph W | 0% |
| Saturday | 81°F | Sunny | 8 to 13 mph WSW | 0% |
| Saturday Night | 57°F | Mostly Clear | 12 mph W | 0% |
| Sunday | 77°F | Sunny | 5 to 8 mph WSW | 1% |
| Sunday Night | 55°F | Mostly Clear | 5 to 9 mph NW | 1% |
| Monday | 75°F | Sunny | 3 to 8 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Augusta, MT
Last spring frost
Jun 12
First fall frost
Sep 8
Growing season
88 days
Hardiness zone
4b
Explore more for Augusta, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Gibson Dam, Mt (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.