Harman US

Winona, MO Weather & Growing Conditions

Overnight
71°F
Clear
Clear. Low around 71, with temperatures rising to around 73 overnight. Southwest wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 71°F Clear 1 mph SW 1%
Saturday 101°F Sunny 3 mph SW 1%
Saturday Night 70°F Mostly Clear 2 mph SW 0%
Sunday 99°F Mostly Sunny 3 mph W 4%
Sunday Night 68°F Mostly Cloudy then Chance Showers And Thunderstorms 1 mph NW 37%
Monday 89°F Showers And Thunderstorms 2 mph N 76%
Monday Night 61°F Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 2 mph N 76%
Tuesday 79°F Slight Chance Rain Showers then Partly Sunny 3 mph N 19%
Tuesday Night 54°F Partly Cloudy 3 mph N 4%
Wednesday 79°F Sunny 2 mph N 1%
Wednesday Night 53°F Mostly Clear 1 mph N 0%
Thursday 81°F Mostly Sunny 2 mph N 3%
Thursday Night 55°F Partly Cloudy 1 mph NE 4%
Friday 81°F Partly Sunny 2 mph NE 9%

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.