South St. Paul, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South St. Paul, a city in Dakota County, Minnesota.
This Afternoon
62°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 62. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for South St. Paul
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Showers And Thunderstorms | 15 mph E | 92% |
| Tonight | 57°F | Showers And Thunderstorms | 10 to 15 mph E | 89% |
| Saturday | 65°F | Rain Showers Likely then Drizzle Likely | 10 mph ENE | 71% |
| Saturday Night | 55°F | Mostly Cloudy | 5 to 10 mph NNE | 14% |
| Sunday | 70°F | Partly Sunny | 10 mph NE | 2% |
| Sunday Night | 50°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 66°F | Mostly Cloudy | 5 to 10 mph ENE | 8% |
| Monday Night | 46°F | Mostly Cloudy | 5 mph ENE | 7% |
| Tuesday | 66°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph SE | 9% |
| Thursday | 71°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov) for South St. Paul (44.888, -93.040). Updated through the day.
Growing snapshot for South St. Paul
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5a
More local growing data for South St. Paul: nearby ZIP 55075 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Apple Valley
Burnsville
Coates
Eagan
Farmington
Hampton
Hastings
Inver Grove Heights
Lakeville
Mendota
Mendota Heights
New Trier
Randolph
Rosemount
Sunfish Lake
Vermillion
West St. Paul
Climate data from the nearest NOAA station, St Paul Downtown Ap, Mn (3.1 mi from South St. Paul). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.