Sea Island Weather Forecast

    • 80
    • 91

    Chance Thunderstorms

    • 79
    • 91

    Chance Thunderstorms

    • 78
    • 90

    Thunderstorms Likely

    • 79
    • 91

    Chance Thunderstorms

    • 79
    • 92

    Chance Thunderstorms

    • 79
    • 91

    Chance Thunderstorms

Today 18 Jul Coastal Glynn

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 111.

Tonight 18 Jul Coastal Glynn

Mostly clear. Lows in the upper 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sea Island Temperature Statistics

July Temperature

Brunswick, Malcolm McKinnon Airport (3.1 miles)

  • Lowest 2 July, 2026

    75.2 °F

  • Average July

    84.3 °F

  • Highest 11 July, 2026

    98.6 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (3.1 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    78.1 °F
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