Saint Simons Island Weather Forecast

    • 55
    • 72

    Decreasing Clouds

    • 59
    • 71

    Partly Sunny

    • 65
    • 74

    Partly Sunny

    • 54
    • 77

    Thunderstorms

    • 47
    • 67

    Sunny

    • 52
    • 67

    Mostly Sunny

Today 13 Mar Coastal Glynn

Partly sunny. Highs in the mid 70s. Southwest Winds around 10 Mph.

Tonight 13 Mar Coastal Glynn

Mostly cloudy in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the lower 50s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Island Temperature Statistics

March Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 7 March, 2025

    42.8 °F

  • Average March

    59.5 °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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