Winona, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winona, a city in Montgomery County, Mississippi.
Overnight
58°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Winona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Showers And Thunderstorms | 0 to 5 mph SW | 84% |
| Wednesday | 74°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph WNW | 25% |
| Wednesday Night | 44°F | Partly Cloudy then Patchy Fog | 0 mph | 0% |
| Thursday | 76°F | Patchy Fog then Sunny | 0 mph | 0% |
| Thursday Night | 44°F | Mostly Clear | 0 mph | 0% |
| Friday | 74°F | Sunny | 0 to 10 mph N | 0% |
| Friday Night | 40°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 65°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 64°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Monday | 68°F | Patchy Frost then Sunny | 0 to 5 mph N | 2% |
| Monday Night | 35°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 71°F | Sunny | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Winona (33.490, -89.729). Updated through the day.
Growing snapshot for Winona
Last spring frost
Apr 7
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
8a
More local growing data for Winona: nearby ZIP 38967 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winona 5 E, Ms (5.7 mi from Winona). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.