Sea Island Weather Forecast

    • 75
    • 86

    Slight Chance Thunderstorms

    • 77
    • 87

    Mostly Sunny

    • 77
    • 87

    Slight Chance Thunderstorms

    • 76
    • 87

    Mostly Sunny

    • 76
    • 89

    Mostly Sunny

    • 76
    • 89

    Mostly Sunny

Today 20 Jun Coastal Glynn

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds around 5 Mph, becoming south 10 to 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 20 Jun Coastal Glynn

Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sea Island Temperature Statistics

June Temperature

Brunswick, Malcolm McKinnon Airport (3.1 miles)

  • Lowest 1 June, 2025

    68 °F

  • Average June

    80.9 °F

  • Highest 6 June, 2025

    93.2 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (3.1 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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