St. Paul, MN Weather & Growing Conditions
Overnight
57°F
Chance Rain Showers
A chance of rain showers and patchy fog. Cloudy, with a low around 57. East wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Chance Rain Showers | 10 to 15 mph E | 38% |
| Saturday | 65°F | Chance Rain Showers then Cloudy | 10 mph ENE | 35% |
| Saturday Night | 55°F | Mostly Cloudy | 5 to 10 mph NNE | 6% |
| Sunday | 70°F | Partly Sunny | 10 mph NE | 2% |
| Sunday Night | 51°F | Mostly Cloudy | 5 to 10 mph ENE | 2% |
| Monday | 65°F | Mostly Cloudy | 5 to 10 mph ENE | 8% |
| Monday Night | 47°F | Mostly Cloudy | 5 mph ENE | 6% |
| Tuesday | 66°F | Mostly Sunny | 5 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 | 70°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph SSE | 8% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph SE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Paul, MN
Last spring frost
Apr 25
First fall frost
Oct 12
Growing season
169 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 3Sw, Mn (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.