Stone Mountain Weather Forecast

    • 73
    • 93

    Chance Thunderstorms

    • 70
    • 90

    Thunderstorms Likely

    • 70
    • 85

    Rain Showers

    • 70
    • 85

    Thunderstorms Likely

    • 72
    • 88

    Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

Today 11 Jul DeKalb

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Temperature falling into the mid 80s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 11 Jul DeKalb

Partly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers after midnight. Lows in the lower 70s. Light southwest Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stone Mountain Temperature Statistics

July Temperature

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

  • Lowest 4 July, 2026

    69.7 °F

  • Average July

    82.7 °F

  • Highest 2 July, 2026

    98.7 °F

Climate (2021–2026)

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    73.9 °F
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