Winona, MO Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 5 mph W | 4% |
| Wednesday | 65°F | Partly Sunny | 7 mph W | 1% |
| Wednesday Night | 39°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 70°F | Sunny | 5 mph W | 3% |
| Thursday Night | 43°F | Partly Cloudy | 3 mph NW | 8% |
| Friday | 62°F | Mostly Sunny | 5 mph N | 1% |
| Friday Night | 35°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 58°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph N | 0% |
| Sunday | 64°F | Sunny | 2 mph NW | 0% |
| Sunday Night | 33°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% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winona, MO
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
6b
Explore more for Winona, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Winona 3 Sw, Mo (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.