Stone Mountain Lake Weather Forecast

    • 25
    • 44

    Becoming Sunny

    • 27
    • 44

    Partly Sunny

    • 19
    • 45

    Chance Snow Showers

    • 14
    • 26

    Partly Sunny

    • 21
    • 33

    Mostly Sunny

    • 25
    • 42

    Partly Sunny

Today 28 Jan DeKalb

Partly sunny in the Morning, then clearing. Highs in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 28 Jan DeKalb

Clear. Lows in the mid 20s. Northwest Winds 5 to 10 Mph.

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Stone Mountain Lake Temperature Statistics

January Temperature

Atlanta, De Kalb-Peachtree Airport (10.6 miles)

  • Lowest 16 January, 2026

    19.7 °F

  • Average January

    47.5 °F

  • Highest 7 January, 2026

    72.6 °F

Climate (2021–Present)

Atlanta, De Kalb-Peachtree Airport (10.6 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    73.4 °F
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