Marietta, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marietta, a town in Itawamba County, Mississippi.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 104. North wind around 0 mph.
7-day forecast for Marietta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 0 mph | 1% |
| Tonight | 72°F | Mostly Clear | 0 mph | 1% |
| Saturday | 99°F | Sunny | 0 mph | 2% |
| Saturday Night | 73°F | Mostly Clear | 0 mph | 1% |
| Sunday | 98°F | Sunny | 0 mph | 3% |
| Sunday Night | 72°F | Partly Cloudy | 0 mph | 3% |
| Monday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 25% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 26% |
| Tuesday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 22% |
| Tuesday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 22% |
| Wednesday | 89°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph NNE | 17% |
| Wednesday Night | 64°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NNE | 17% |
| Thursday | 86°F | Sunny | 5 mph NNE | 6% |
| Thursday Night | 62°F | Mostly Clear | 5 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Marietta (34.500, -88.473). Updated through the day.
Growing snapshot for Marietta
Last spring frost
Apr 1
First fall frost
Nov 3
Growing season
216 days
Hardiness zone
8a
More local growing data for Marietta: nearby ZIP 38856 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Booneville, Ms (13.1 mi from Marietta). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.