Saint Simons Island Weather Forecast

    • 55
    • 60

    Rain Showers

    • 48
    • 68

    Rain Showers

    • 50
    • 71

    Sunny

    • 52
    • 73

    Mostly Sunny

    • 55
    • 73

    Partly Sunny

    • 61
    • 72

    Partly Sunny

Today 9 Mar Coastal Glynn

Showers and scattered Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Much cooler with Highs in the upper 50s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 9 Mar Coastal Glynn

Showers and scattered Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Lows in the lower 50s. Temperature rising into the lower 60s after midnight. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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Saint Simons Island Temperature Statistics

March Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 7 March, 2025

    42.8 °F

  • Average March

    59.2 °F

  • Highest 1 March, 2025

    78.8 °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

    70.2 °F

  • Average High 2020–2025

    77.9 °F
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