St. Stephen, MN Weather & Growing Conditions
Today
73°F
Patchy Smoke then Mostly Sunny
Patchy smoke between 9am and 10am. Mostly sunny, with a high near 73. West northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Smoke then Mostly Sunny | 5 to 10 mph WNW | 1% |
| Tonight | 52°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 78°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 5 to 10 mph SW | 2% |
| Thursday | 84°F | Sunny | 5 to 15 mph SSW | 4% |
| Thursday Night | 62°F | Mostly Clear | 5 to 15 mph SSW | 3% |
| Friday | 86°F | Sunny | 5 to 10 mph SW | 8% |
| Friday Night | 61°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 21% |
| Saturday | 84°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph SSW | 21% |
| Saturday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph NNW | 42% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph NNW | 35% |
| Sunday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph NE | 16% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 16% |
| Monday Night | 61°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 19% |
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 Aug 4, 2026.