Stone Mountain, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stone Mountain, a city in Dekalb County, Georgia.
Tonight
64°F
Mostly Cloudy then Chance Showers And Thunderstorms
A slight chance of rain showers between 1am and 4am, then a chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Stone Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph SE | 29% |
| Wednesday | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 15 mph SE | 92% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 63% |
| Thursday | 76°F | Chance Rain Showers | 0 to 5 mph SW | 43% |
| Thursday Night | 58°F | Chance Rain Showers | 0 mph | 43% |
| Friday | 74°F | Chance Rain Showers | 0 to 10 mph NW | 42% |
| Friday Night | 51°F | Slight Chance Rain Showers then Mostly Clear | 5 mph NW | 20% |
| Saturday | 70°F | Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 46°F | Partly Cloudy | 5 to 10 mph NW | 2% |
| Sunday | 67°F | Mostly Sunny | 5 mph NW | 7% |
| Sunday Night | 45°F | Partly Cloudy | 5 mph NW | 7% |
| Monday | 66°F | Sunny | 5 to 10 mph NW | 4% |
| Monday Night | 43°F | Mostly Clear | 5 to 10 mph NW | 2% |
| Tuesday | 68°F | Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Stone Mountain (33.804, -84.171). Updated through the day.
Growing snapshot for Stone Mountain
Last spring frost
Mar 25
First fall frost
Nov 9
Growing season
228 days
Hardiness zone
8a
More local growing data for Stone Mountain: nearby ZIP 30083 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Avondale Estates
Belvedere Park
Brookhaven
Candler-McAfee
Chamblee
Clarkston
Conley
Decatur
Doraville
Druid Hills
Dunwoody
Gresham Park
Lithonia
North Decatur
North Druid Hills
Panthersville
Pine Lake
Redan
Scottdale
Stonecrest
Tucker
Climate data from the nearest NOAA station, Atlanta Peachtree Ap, Ga (8.3 mi from Stone Mountain). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.