Saint Simons Island Weather Forecast

    • 80
    • 95

    Mostly Sunny

    • 80
    • 94

    Chance Thunderstorms

    • 79
    • 90

    Mostly Sunny

    • 79
    • 89

    Mostly Sunny

    • 79
    • 88

    Mostly Sunny

    • 79
    • 89

    Mostly Sunny

Today 28 Jun Coastal Glynn

Sunny. Highs in the mid 90s. West Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Heat index Values up to 109.

Tonight 28 Jun Coastal Glynn

Partly cloudy this Evening, then becoming mostly clear. Lows in the upper 70s. Southwest Winds 10 to 15 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Island Temperature Statistics

June Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 4 June, 2026

    66.2 °F
  • Average June

    80 °F
  • Highest 12 June, 2026

    95 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    63 °F
  • Average 2021–2026

    70.2 °F
  • Average High 2021–2026

    78 °F
Get WillyWeather+ to remove ads