Stone Mountain Weather Forecast

    • 70
    • 85

    Chance Thunderstorms

    • 66
    • 85

    Partly Sunny

    • 66
    • 84

    Mostly Sunny

    • 66
    • 84

    Slight Chance Thunderstorms

    • 69
    • 85

    Slight Chance Thunderstorms

    • 69
    • 87

    Slight Chance Thunderstorms

    • 71
    • 88

    Slight Chance Thunderstorms

Today 21 Aug De Kalb

Mostly cloudy with a chance of Showers and Thunderstorms Early, then partly cloudy with a chance of Showers and Thunderstorms late in the evening. Partly cloudy after midnight. Lows in the upper 60s. West Winds 5 to 15 Mph. Chance of rain 30 percent.

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Stone Mountain Temperature Statistics

August Temperature

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

  • Lowest 15 August, 2018

    64.9 °F
  • Average August

    77.6 °F
  • Highest 6 August, 2018

    91.9 °F

Climate (2010–Present)

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

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  • Average Low 2010–Present

    53.3 °F
  • Average 2010–Present

    62.7 °F
  • Average High 2010–Present

    73 °F
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