St. Paul, MN Weather & Growing Conditions
This Afternoon
64°F
Slight Chance Rain Showers
A slight chance of rain showers before 5pm. Cloudy, with a high near 64. Northeast wind around 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Slight Chance Rain Showers | 10 mph NE | 19% |
| Tonight | 54°F | Mostly Cloudy | 5 to 10 mph NNE | 10% |
| Sunday | 69°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 | 5 mph ENE | 3% |
| Tuesday | 64°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Tuesday Night | 45°F | Mostly Clear | 5 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 5 mph ESE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph SE | 8% |
| Thursday | 69°F | Slight Chance Rain Showers | 5 to 10 mph SE | 21% |
| Thursday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph SE | 16% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph SE | 9% |
| Friday Night | 58°F | Partly Cloudy | 5 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Paul, MN
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
166 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, Mn (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.