St. Stephen, MN Weather & Growing Conditions
Overnight
47°F
Light Rain
Rain before 5am, then rain and patchy fog. Cloudy, with a low around 47. North northwest wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Light Rain | 10 to 15 mph NNW | 80% |
| Wednesday | 50°F | Light Rain then Drizzle Likely | 15 mph N | 97% |
| Wednesday Night | 39°F | Drizzle | 15 mph NNW | 85% |
| Thursday | 44°F | Mostly Cloudy | 10 to 15 mph N | 9% |
| Thursday Night | 28°F | Mostly Cloudy | 0 to 5 mph NNE | 0% |
| Friday | 41°F | Sunny | 0 mph | 0% |
| Friday Night | 27°F | Mostly Clear | 0 mph | 0% |
| Saturday | 47°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 3% |
| Sunday | 51°F | Sunny | 5 mph W | 1% |
| Sunday Night | 35°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 35°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 52°F | Mostly Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Stephen, MN
Last spring frost
May 10
First fall frost
Sep 29
Growing season
140 days
Hardiness zone
4a
Explore more for St. Stephen, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Rice, Mn (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.