Saint Simons Sound Weather Forecast

    • 80
    • 97

    Slight Chance Thunderstorms

    • 79
    • 95

    Chance Thunderstorms

    • 78
    • 93

    Chance Thunderstorms

    • 77
    • 91

    Slight Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 77
    • 91

    Slight Chance Thunderstorms

    • 78
    • 92

    Mostly Sunny

Today 18 Aug Coastal Glynn

Sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 101. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 118.

Tonight 18 Aug Coastal Glynn

Partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 30 percent. Heat index Values up to 106 early this evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Sound Temperature Statistics

August Temperature

Brunswick, Malcolm McKinnon Airport (1.9 miles)

  • Lowest 13 August, 2026

    75.2 °F

  • Average August

    83 °F

  • Highest 11 August, 2026

    96.8 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (1.9 miles)

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

  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    78.1 °F
Get WillyWeather+ to remove ads