Mountain Park Weather Forecast

    • 69
    • 90

    Becoming Sunny

    • 72
    • 95

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

    • 65
    • 89

    Sunny

    • 66
    • 90

    Sunny

    • 68
    • 91

    Mostly Sunny

Today 13 Sep Gwinnett

Sunny. Highs around 90. Northwest Winds 5 to 10 Mph.

Tonight 13 Sep Gwinnett

Mostly clear. Lows in the upper 60s. Light northwest Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Park Temperature Statistics

September Temperature

Atlanta, De Kalb-Peachtree Airport (9.9 miles)

  • Lowest 9 September, 2026

    66.7 °F

  • Average September

    82.5 °F

  • Highest 5 September, 2026

    100.7 °F

Climate (2021–2026)

Atlanta, De Kalb-Peachtree Airport (9.9 miles)

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

  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    74.1 °F
Get WillyWeather+ to remove ads