Saint Simons Island Weather Forecast

    • 50
    • 66

    Increasing Clouds

    • 50
    • 58

    Chance Rain Showers

    • 44
    • 70

    Rain Showers

    • 28
    • 55

    Mostly Sunny

    • 34
    • 48

    Mostly Sunny

    • 35
    • 56

    Partly Sunny

Today 23 Jan Coastal Glynn

Areas of dense fog in the morning. Sunny. Visibility one quarter mile or less at Times in the morning. Highs around 70. Northeast Winds 5 to 10 Mph.

Tonight 23 Jan Coastal Glynn

Mostly cloudy. Areas of dense fog. Lows in the upper 40s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Island Temperature Statistics

January Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 16 January, 2026

    26.6 °F

  • Average January

    54.1 °F

  • Highest 10 January, 2026

    77 °F

Climate (2021–Present)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    78 °F
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