Stone Mountain, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stone Mountain, a city in Dekalb County, Georgia.
Today
86°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 10am and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny. High near 86, with temperatures falling to around 82 in the afternoon. East wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Stone Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 65% |
| Tonight | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 54% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 71% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 44% |
| Thursday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 65% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SE | 65% |
| Friday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 37% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 37% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 42% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Sunday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 47% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 40% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 40% |
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 Aug 4, 2026.