Stone Mountain Weather Forecast
- 70
- 93
Mostly Sunny
- 73
- 94
Mostly Sunny
- 74
- 96
Slight Chance Thunderstorms
- 74
- 95
Chance Thunderstorms
- 73
- 94
Chance Thunderstorms
- 72
- 92
Thunderstorms Likely
- 72
- 90
Thunderstorms Likely
Today 5 Jul DeKalb
Sunny. Highs in the lower 90s. East Winds 5 to 10 Mph.
Tonight 5 Jul DeKalb
Mostly clear. Lows around 70. Light northeast Winds.
Stone Mountain Temperature Statistics
July Temperature
Atlanta, De Kalb-Peachtree Airport (8.7 miles)
Lowest 3 July, 2025
69.1 °FAverage July
79.4 °FHighest 3 July, 2025
90 °F
Climate (2020–Present)
Atlanta, De Kalb-Peachtree Airport (8.7 miles)
Average Low 2020–2025
52.9 °FAverage 2020–2025
62.7 °FAverage High 2020–2025
73.1 °F