Winona, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winona, a city in Shannon County, Missouri.
Today
62°F
Patchy Drizzle then Partly Sunny
Patchy drizzle before 11am. Partly sunny. High near 62, with temperatures falling to around 57 in the afternoon. West wind 5 to 8 mph, with gusts as high as 18 mph.
7-day forecast for Winona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Patchy Drizzle then Partly Sunny | 5 to 8 mph W | 4% |
| Tonight | 41°F | Clear | 3 mph W | 0% |
| Thursday | 68°F | Sunny | 2 to 7 mph W | 1% |
| Thursday Night | 43°F | Partly Cloudy | 3 mph NW | 8% |
| Friday | 61°F | Mostly Sunny | 5 mph N | 1% |
| Friday Night | 36°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 58°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 1 mph N | 0% |
| Sunday | 64°F | Sunny | 2 mph NW | 0% |
| Sunday Night | 34°F | Clear | 1 mph NW | 0% |
| Monday | 68°F | Sunny | 2 mph W | 0% |
| Monday Night | 37°F | Clear | 1 mph SW | 1% |
| Tuesday | 71°F | Sunny | 2 mph W | 0% |
| Tuesday Night | 41°F | Mostly Clear | 1 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Winona (37.004, -91.327). Updated through the day.
Growing snapshot for Winona
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
6b
More local growing data for Winona: nearby ZIP 65588 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winona 3 Sw, Mo (5.1 mi from Winona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.