St. Stephen, MN Weather & Growing Conditions
This Afternoon
64°F
Mostly Cloudy
Mostly cloudy, with a high near 64. Northeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Cloudy | 10 mph NE | 3% |
| Tonight | 50°F | Mostly Cloudy | 5 mph NNE | 3% |
| Sunday | 66°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 46°F | Cloudy | 5 to 10 mph ENE | 0% |
| Monday | 62°F | Mostly Cloudy | 5 mph ENE | 3% |
| Monday Night | 41°F | Partly Cloudy | 0 to 5 mph ENE | 1% |
| Tuesday | 64°F | Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 42°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 65°F | Sunny | 0 to 10 mph SE | 0% |
| Wednesday Night | 47°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SE | 15% |
| Thursday | 66°F | Chance Rain Showers | 5 to 10 mph SE | 32% |
| Thursday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SE | 25% |
| Friday | 71°F | Partly Sunny | 0 to 10 mph SE | 7% |
| Friday Night | 55°F | Partly Cloudy | 5 mph SSE | 9% |
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 Sep 19, 2026.