Marietta, GA Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 0 mph | 8% |
| Saturday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 28% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph E | 45% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 29% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
| Monday | 91°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 47% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Tuesday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 59% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 5 mph E | 59% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 32% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 10 mph NE | 32% |
| Thursday | 81°F | Mostly Sunny | 5 to 10 mph NE | 6% |
| Thursday Night | 61°F | Partly Cloudy | 5 to 10 mph N | 6% |
| Friday | 81°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 (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.