Saint Simons Island Weather Forecast

    • 63
    • 79

    Mostly Sunny

    • 65
    • 81

    Mostly Sunny

    • 64
    • 77

    Mostly Sunny

    • 64
    • 77

    Sunny

    • 65
    • 76

    Mostly Sunny

    • 65
    • 78

    Mostly Sunny

Today 13 Oct Coastal Glynn

Sunny. Highs around 80. North Winds around 10 Mph.

Tonight 13 Oct Coastal Glynn

Mostly clear. Lows around 60. North Winds 5 to 10 Mph.

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Saint Simons Island Temperature Statistics

October Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 11 October, 2025

    60.8 °F

  • Average October

    74.8 °F

  • Highest 4 October, 2025

    84.2 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

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  • Average Low 2020–2025

    63.2 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    77.9 °F
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