Sea Island Weather Forecast

    • 75
    • 86

    Rain Showers

    • 75
    • 86

    Thunderstorms Likely

    • 73
    • 89

    Chance Thunderstorms

    • 74
    • 89

    Slight Chance Thunderstorms

    • 75
    • 85

    Chance Thunderstorms

    • 74
    • 84

    Chance Thunderstorms

Today 23 Aug Coastal Glynn

Partly sunny. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall this morning. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 23 Aug Coastal Glynn

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. East Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sea Island Temperature Statistics

August Temperature

Brunswick, Malcolm McKinnon Airport (3.1 miles)

  • Lowest 8 August, 2025

    73.4 °F
  • Average August

    82.6 °F
  • Highest 1 August, 2025

    98.6 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (3.1 miles)

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  • Average Low 2020–2025

    63.2 °F
  • Average 2020–2025

    70.3 °F
  • Average High 2020–2025

    77.9 °F
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