St. Augusta, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Augusta, a city in Stearns County, Minnesota.
Tonight
54°F
Rain Showers Likely
Rain showers likely and patchy fog before 1am, then a chance of drizzle and patchy fog between 1am and 4am. Cloudy, with a low around 54. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. Augusta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Rain Showers Likely | 10 to 15 mph E | 69% |
| Saturday | 64°F | Cloudy | 10 mph NE | 13% |
| Saturday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Sunday | 68°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 48°F | Cloudy | 5 to 10 mph ENE | 3% |
| Monday | 63°F | Mostly Cloudy | 5 to 10 mph ENE | 7% |
| Monday Night | 44°F | Partly Cloudy | 0 to 5 mph ENE | 4% |
| Tuesday | 65°F | Mostly Sunny | 0 to 10 mph E | 2% |
| Tuesday Night | 44°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 66°F | Mostly Sunny | 0 to 10 mph SE | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SSE | 5% |
| Friday | 72°F | Mostly Sunny | 0 to 10 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov) for St. Augusta (45.450, -94.194). Updated through the day.
Growing snapshot for St. Augusta
Last spring frost
May 3
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
4b
More local growing data for St. Augusta: nearby ZIP 56301 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Collegeville St John's, Mn (9.6 mi from St. Augusta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.