Saint Simons Island Weather Forecast

    • 74
    • 86

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 78
    • 92

    Slight Chance Thunderstorms

    • 77
    • 92

    Slight Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 77
    • 91

    Rain Showers Likely

Today 5 Jul Coastal Glynn

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 5 Jul Coastal Glynn

Mostly cloudy this Evening, then becoming partly cloudy. A slight chance of Thunderstorms. A chance of Showers, mainly this evening. Lows in the lower 70s. North Winds 10 to 15 Mph, becoming west around 5 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Island Temperature Statistics

July Temperature

Brunswick, Malcolm McKinnon Airport (0.6 miles)

  • Lowest 1 July, 2025

    77 °F

  • Average July

    81.3 °F

  • Highest 3 July, 2025

    87.8 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (0.6 miles)

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  • Average Low 2020–2025

    63.1 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    77.9 °F
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