Saint Simons Island Weather Forecast

    • 62
    • 73

    Increasing Clouds

    • 63
    • 75

    Slight Chance Rain Showers

    • 64
    • 76

    Mostly Cloudy

    • 65
    • 77

    Partly Sunny

    • 65
    • 77

    Slight Chance Thunderstorms

    • 65
    • 77

    Slight Chance Rain Showers

Today 30 Mar Coastal Glynn

Mostly sunny. A slight chance of Showers in the afternoon. Highs in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 30 Mar Coastal Glynn

Partly cloudy. A slight chance of Showers in the evening. Lows around 60. Southeast Winds 5 to 10 Mph. 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 18 March, 2026

    37.4 °F

  • Average March

    64.3 °F

  • Highest 23 March, 2026

    87.8 °F

Climate (2021–Present)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

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  • Average Low 2021–2026

    62.9 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    78 °F
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