South St. Paul, MN Weather & Growing Conditions
Today
77°F
Patchy Smoke
Patchy smoke before 2pm. Partly sunny, with a high near 77. West northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Patchy Smoke | 10 mph WNW | 5% |
| Tonight | 58°F | Partly Cloudy | 0 to 10 mph WNW | 3% |
| Wednesday | 80°F | Sunny | 0 to 10 mph WSW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 83°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 65°F | Mostly Clear | 10 mph SSW | 4% |
| Friday | 86°F | Sunny | 5 to 10 mph SSW | 10% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 26% |
| Saturday | 86°F | Mostly Sunny | 5 to 10 mph SSW | 14% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 49% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 49% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph NNE | 19% |
| Monday | 84°F | Slight Chance Showers And Thunderstorms | 5 mph ENE | 22% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 23% |
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 Aug 4, 2026.