Mountain Park Weather Forecast

    • 72
    • 94

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 72
    • 91

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

    • 70
    • 86

    Rain Showers Likely

    • 69
    • 84

    Rain Showers Likely

Today 18 Aug Gwinnett

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Light east Winds. Chance of rain 20 percent.

Tonight 18 Aug Gwinnett

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 70s. Light east Winds.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Park Temperature Statistics

August Temperature

Atlanta, De Kalb-Peachtree Airport (9.9 miles)

  • Lowest 4 August, 2025

    64.7 °F
  • Average August

    77.1 °F
  • Highest 15 August, 2025

    95.6 °F

Climate (2020–Present)

Atlanta, De Kalb-Peachtree Airport (9.9 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