St. Paul, MN Weather & Growing Conditions
Tonight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. North northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy | 5 mph NNE | 5% |
| Sunday | 70°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Sunday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 64°F | Mostly Cloudy | 5 mph ENE | 4% |
| Monday Night | 46°F | Mostly Cloudy | 0 to 5 mph ENE | 3% |
| Tuesday | 65°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Tuesday Night | 45°F | Mostly Clear | 5 mph ESE | 0% |
| Wednesday | 68°F | Sunny | 5 mph ESE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph SE | 8% |
| Thursday | 69°F | Slight Chance Rain Showers | 5 to 10 mph SE | 21% |
| Thursday Night | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SE | 15% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph SE | 9% |
| Friday Night | 58°F | Partly Cloudy | 5 mph SE | 8% |
| Saturday | 73°F | Slight Chance Rain Showers | 5 to 10 mph SSE | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Paul, MN
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5a
Explore more for St. Paul, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, St Paul Downtown Ap, Mn (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.