Winona, MS Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 103. North northwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 0 mph | 2% |
| Tonight | 71°F | Mostly Clear | 0 mph | 2% |
| Sunday | 97°F | Sunny | 0 mph | 1% |
| Sunday Night | 70°F | Mostly Clear | 0 mph | 1% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 16% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 0 mph | 23% |
| Tuesday | 94°F | Sunny | 0 to 5 mph N | 13% |
| Tuesday Night | 65°F | Mostly Clear | 0 to 5 mph NNE | 13% |
| Wednesday | 90°F | Sunny | 0 to 5 mph N | 4% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 5 mph NNE | 4% |
| Thursday | 87°F | Sunny | 0 to 5 mph NNE | 2% |
| Thursday Night | 61°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Friday | 86°F | Mostly Sunny | 0 to 5 mph NE | 2% |
| Friday Night | 61°F | Partly Cloudy | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winona, MS
Last spring frost
Apr 7
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
8a
Explore more for Winona, MS: full frost dates · planting calendar · Mississippi frost dates
Climate data from the nearest NOAA station, Winona 5 E, Ms (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.