Marietta, GA Weather & Growing Conditions
Tonight
63°F
Chance Showers And Thunderstorms
A slight chance of rain showers between 11pm and 1am, then a chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers and thunderstorms between 2am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Chance Showers And Thunderstorms | 15 mph SE | 33% |
| Wednesday | 72°F | Showers And Thunderstorms | 10 to 15 mph SE | 86% |
| Wednesday Night | 62°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 58% |
| Thursday | 75°F | Chance Rain Showers | 0 to 5 mph W | 36% |
| Thursday Night | 54°F | Chance Rain Showers | 0 mph | 36% |
| Friday | 73°F | Chance Rain Showers | 0 to 10 mph NW | 31% |
| Friday Night | 46°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NW | 15% |
| Saturday | 68°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 40°F | Partly Cloudy | 0 to 10 mph NW | 2% |
| Sunday | 66°F | Mostly Sunny | 0 to 10 mph NW | 6% |
| Sunday Night | 39°F | Mostly Clear | 5 mph NW | 7% |
| Monday | 65°F | Sunny | 5 to 10 mph NW | 3% |
| Monday Night | 38°F | Mostly Clear | 0 to 10 mph NW | 2% |
| Tuesday | 67°F | Sunny | 0 to 10 mph NW | 1% |
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 (13.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.