St. Michael, MN Weather & Growing Conditions
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. West northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 5 to 10 mph WNW | 2% |
| Tonight | 55°F | Partly Cloudy | 0 to 10 mph W | 1% |
| Wednesday | 77°F | Sunny | 0 to 10 mph WSW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 82°F | Sunny | 5 to 15 mph SSW | 0% |
| Thursday Night | 63°F | Mostly Clear | 10 to 15 mph SSW | 3% |
| Friday | 85°F | Sunny | 10 to 15 mph SSW | 8% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 22% |
| Saturday | 84°F | Sunny | 5 to 10 mph SSW | 14% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 52% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 52% |
| Sunday Night | 64°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 17% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 19% |
| Monday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph NNE | 22% |
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 Aug 4, 2026.