Saint Simons Island Weather Forecast

    • 77
    • 82

    Slight Chance Thunderstorms

    • 74
    • 81

    Chance Thunderstorms

    • 73
    • 83

    Mostly Cloudy

    • 72
    • 85

    Partly Sunny

    • 72
    • 85

    Partly Sunny

    • 73
    • 86

    Partly Sunny

    • 73
    • 86

    Partly Sunny

Today 22 Sep Coastal Glynn

Partly cloudy. Highs in the mid 80s. East Winds 10 to 15 Mph.

Tonight 22 Sep Coastal Glynn

Partly cloudy. Chance of Showers and slight chance of Thunderstorms after midnight. Lows in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Island Temperature Statistics

September Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 7 September, 2017

    69.1 °F
  • Average September

    79.3 °F
  • Highest 1 September, 2017

    90 °F

Climate (2010–Present)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

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  • Average Low 2010–Present

    61.4 °F
  • Average 2010–Present

    68.7 °F
  • Average High 2010–Present

    76.3 °F
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