St. Michael, MN Weather & Growing Conditions
This Afternoon
60°F
Rain Showers
Rain showers. Cloudy, with a high near 60. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Rain Showers | 15 mph E | 80% |
| Tonight | 55°F | Rain Showers | 10 to 15 mph E | 83% |
| Saturday | 63°F | Rain Showers Likely then Drizzle Likely | 10 mph NE | 59% |
| Saturday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 5% |
| Sunday | 68°F | Partly Sunny | 10 to 15 mph NE | 1% |
| Sunday Night | 48°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph ENE | 7% |
| Monday Night | 44°F | Mostly Cloudy | 5 mph ENE | 5% |
| Tuesday | 65°F | Mostly Sunny | 5 mph E | 2% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 66°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph S | 14% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Michael, MN
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
163 days
Hardiness zone
4b
Explore more for St. Michael, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Buffalo 2Ne, Mn (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.