Marietta, GA Weather & Growing Conditions
Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 0 mph | 10% |
| Saturday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 30% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph E | 49% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph E | 30% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 30% |
| Monday | 92°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 48% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 60% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 60% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 10 mph NE | 32% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 to 15 mph NE | 32% |
| Thursday | 81°F | Mostly Sunny | 10 mph NE | 6% |
| Thursday Night | 62°F | Partly Cloudy | 5 to 10 mph N | 6% |
| Friday | 82°F | Mostly Sunny | 5 to 10 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marietta, GA
Last spring frost
Mar 27
First fall frost
Nov 7
Growing season
225 days
Hardiness zone
8a
Explore more for Marietta, GA: full frost dates · planting calendar · Georgia frost dates
Climate data from the nearest NOAA station, Mableton 1 N, Ga (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.