Stone Mountain Weather Forecast

    • 65
    • 90

    Mostly Sunny

    • 55
    • 88

    Chance Rain Showers

    • 45
    • 70

    Slight Chance Rain Showers

    • 50
    • 76

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

Today 17 Apr DeKalb

Sunny. Highs around 90. Light northwest Winds.

Tonight 17 Apr DeKalb

Mostly clear. Lows in the mid 60s. Light northwest Winds, becoming south after midnight.

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Stone Mountain Temperature Statistics

April Temperature

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

  • Lowest 10 April, 2026

    46.7 °F

  • Average April

    68.7 °F

  • Highest 11 April, 2026

    89.1 °F

Climate (2021–Present)

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    73.7 °F
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