St. Joseph, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a city in Stearns County, Minnesota.
This Afternoon
60°F
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy, with a high near 60. East wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Rain Showers Likely | 10 mph E | 63% |
| Tonight | 54°F | Rain Showers Likely | 10 to 15 mph E | 63% |
| Saturday | 64°F | Cloudy | 10 mph NE | 12% |
| Saturday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Sunday | 67°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 47°F | Cloudy | 5 to 10 mph ENE | 3% |
| Monday | 63°F | Partly Sunny | 5 to 10 mph ENE | 7% |
| Monday Night | 43°F | Partly Cloudy | 0 to 5 mph E | 4% |
| Tuesday | 65°F | Mostly Sunny | 0 to 10 mph E | 2% |
| Tuesday Night | 44°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 66°F | Mostly Sunny | 0 to 10 mph SE | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph SSE | 12% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov) for St. Joseph (45.565, -94.302). Updated through the day.
Growing snapshot for St. Joseph
Last spring frost
May 3
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
4b
More local growing data for St. Joseph: nearby ZIP 56374 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Collegeville St John's, Mn (3.8 mi from St. Joseph). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.