Stone Mountain Lake Weather Forecast

    • 59
    • 81

    Chance Thunderstorms

    • 53
    • 74

    Chance Rain Showers

    • 51
    • 71

    Rain Showers

    • 45
    • 65

    Mostly Sunny

    • 47
    • 69

    Sunny

    • 54
    • 75

    Mostly Sunny

Today 29 Apr DeKalb

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 29 Apr DeKalb

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Stone Mountain Lake Temperature Statistics

April Temperature

Atlanta, De Kalb-Peachtree Airport (10.6 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 (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    73.8 °F
Get WillyWeather+ to remove ads