South St. Paul, MN Weather & Growing Conditions
Today
56°F
Light Rain
Rain and patchy fog. Mostly cloudy, with a high near 56. West northwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Light Rain | 5 to 10 mph WNW | 94% |
| Tonight | 45°F | Light Rain then Drizzle Likely | 10 to 15 mph NW | 97% |
| Thursday | 50°F | Slight Chance Drizzle then Mostly Cloudy | 10 to 15 mph NNW | 16% |
| Thursday Night | 35°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 46°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 30°F | Mostly Clear | 0 mph | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph SSW | 2% |
| Saturday Night | 37°F | Mostly Clear | 5 mph WSW | 3% |
| Sunday | 54°F | Sunny | 5 mph W | 4% |
| Sunday Night | 38°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 41°F | Partly Cloudy | 5 mph WNW | 0% |
| Tuesday | 55°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph WSW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South St. Paul, MN
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5a
Explore more for South St. Paul, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, St Paul Downtown Ap, Mn (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.