Winona, MN Weather & Growing Conditions
This Afternoon
65°F
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 65. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Rain Showers Likely | 10 mph S | 64% |
| Tonight | 54°F | Rain Showers | 7 to 10 mph S | 95% |
| Wednesday | 55°F | Rain Showers | 9 to 13 mph S | 88% |
| Wednesday Night | 46°F | Rain Showers | 15 mph W | 87% |
| Thursday | 49°F | Rain Showers | 14 mph NW | 75% |
| Thursday Night | 38°F | Mostly Cloudy | 10 to 15 mph N | 9% |
| Friday | 47°F | Partly Sunny | 3 to 10 mph N | 1% |
| Friday Night | 32°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 52°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 3 to 7 mph W | 9% |
| Sunday | 56°F | Sunny | 8 mph W | 12% |
| Sunday Night | 38°F | Mostly Clear | 7 mph SW | 4% |
| Monday | 59°F | Mostly Sunny | 7 to 12 mph SW | 0% |
| Monday Night | 41°F | Partly Cloudy | 9 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winona, MN
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
5a
Explore more for Winona, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Winona, Mn (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.