St. Augusta, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Augusta, a city in Stearns County, Minnesota.
Overnight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. North northwest wind around 10 mph.
7-day forecast for St. Augusta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Mostly Cloudy | 10 mph NNW | 0% |
| Tuesday | 74°F | Partly Sunny | 10 mph NW | 1% |
| Tuesday Night | 54°F | Partly Cloudy | 0 to 10 mph W | 1% |
| Wednesday | 78°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Thursday | 84°F | Sunny | 5 to 15 mph SSW | 2% |
| Thursday Night | 63°F | Mostly Clear | 5 to 10 mph SSW | 2% |
| Friday | 86°F | Sunny | 5 to 10 mph SW | 8% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph SSW | 20% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph SSW | 19% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph NNW | 45% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph NNW | 45% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 16% |
| Monday | 83°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph NNE | 17% |
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 Aug 4, 2026.