Stone Mountain Weather Forecast

    • 64
    • 85

    Partly Sunny

    • 63
    • 86

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 66
    • 87

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

    • 65
    • 87

    Chance Rain Showers

Today 15 Sep DeKalb

Sunny. Highs in the mid 80s. Light east Winds.

Tonight 15 Sep DeKalb

Mostly clear. Lows in the lower 60s. Light east Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Stone Mountain Temperature Statistics

September Temperature

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

  • Lowest 11 September, 2025

    57.9 °F

  • Average September

    72.4 °F

  • Highest 5 September, 2025

    91.9 °F

Climate (2020–Present)

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

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

  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    73.1 °F
Get WillyWeather+ to remove ads