Augusta, MT Weather & Growing Conditions
Today
46°F
Sunny
Sunny. High near 46, with temperatures falling to around 39 in the afternoon. Northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Sunny | 2 mph NE | 0% |
| Tonight | 30°F | Mostly Clear | 1 to 15 mph WSW | 0% |
| Thursday | 42°F | Partly Sunny | 10 to 15 mph WSW | 0% |
| Thursday Night | 32°F | Partly Cloudy | 10 to 22 mph WSW | 0% |
| Friday | 43°F | Mostly Sunny | 15 to 22 mph WSW | 0% |
| Friday Night | 38°F | Mostly Cloudy | 15 to 31 mph WSW | 1% |
| Saturday | 50°F | Mostly Sunny | 6 to 16 mph WSW | 1% |
| Saturday Night | 40°F | Partly Cloudy | 6 to 20 mph WSW | 0% |
| Sunday | 52°F | Mostly Sunny | 13 to 21 mph WSW | 5% |
| Sunday Night | 36°F | Partly Cloudy | 10 to 22 mph W | 5% |
| Monday | 47°F | Partly Sunny | 3 to 10 mph WSW | 1% |
| Monday Night | 37°F | Mostly Cloudy | 3 to 16 mph WSW | 1% |
| Tuesday | 48°F | Mostly Sunny | 7 to 17 mph WSW | 8% |
| Tuesday Night | 39°F | Mostly Cloudy | 7 to 20 mph WSW | 8% |
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 Nov 4, 2026.