St. Augusta, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Augusta, a city in Stearns County, Minnesota.
This Afternoon
56°F
Light Rain
Rain and patchy fog. Cloudy. High near 56, with temperatures falling to around 51 in the afternoon. North wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for St. Augusta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Light Rain | 15 mph N | 100% |
| Tonight | 47°F | Rain | 10 to 15 mph N | 100% |
| Wednesday | 52°F | Rain | 10 to 15 mph N | 99% |
| Wednesday Night | 41°F | Light Rain | 10 to 15 mph NNW | 100% |
| Thursday | 47°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 20% |
| Thursday Night | 32°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph W | 6% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 1% |
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 Nov 4, 2026.