Stone Mountain, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stone Mountain, a city in Dekalb County, Georgia.
This Afternoon
96°F
Sunny
Sunny, with a high near 96. Heat index values as high as 100. North wind around 5 mph.
7-day forecast for Stone Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Sunny | 5 mph N | 13% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 25% |
| Saturday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 30% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 5 mph E | 48% |
| Sunday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 29% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 46% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 59% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 59% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 10 mph NE | 32% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 mph NE | 32% |
| Thursday | 81°F | Mostly Sunny | 10 mph NE | 6% |
| Thursday Night | 63°F | Partly Cloudy | 5 to 10 mph N | 6% |
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 Sep 18, 2026.