Winona, MO Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. Southwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 1 mph SW | 3% |
| Saturday | 100°F | Sunny | 3 mph SW | 1% |
| Saturday Night | 71°F | Mostly Clear | 2 mph SW | 0% |
| Sunday | 99°F | Sunny | 3 mph SW | 2% |
| Sunday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 1 mph NW | 33% |
| Monday | 91°F | Showers And Thunderstorms Likely | 2 mph N | 61% |
| Monday Night | 62°F | Showers And Thunderstorms Likely | 2 mph N | 61% |
| Tuesday | 81°F | Slight Chance Rain Showers then Partly Sunny | 3 mph N | 15% |
| Tuesday Night | 55°F | Partly Cloudy | 3 mph N | 7% |
| Wednesday | 81°F | Mostly Sunny | 2 mph N | 2% |
| Wednesday Night | 54°F | Mostly Clear | 2 mph N | 1% |
| Thursday | 82°F | Sunny | 2 mph N | 4% |
| Thursday Night | 56°F | Partly Cloudy | 1 mph NE | 4% |
| Friday | 81°F | Mostly Sunny | 2 mph N | 7% |
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 Sep 19, 2026.