Sea Island Weather Forecast

    • 80
    • 92

    Thunderstorms Likely

    • 77
    • 90

    Thunderstorms Likely

    • 77
    • 89

    Thunderstorms Likely

    • 79
    • 89

    Slight Chance Thunderstorms

    • 80
    • 92

    Partly Sunny

    • 79
    • 93

    Chance Thunderstorms

Today 18 Jun Coastal Glynn

Partly sunny. Showers and Thunderstorms likely in the afternoon. Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent. Heat index Values up to 109.

Tonight 18 Jun Coastal Glynn

Mostly cloudy. Lows in the upper 70s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sea Island Temperature Statistics

June Temperature

Brunswick, Malcolm McKinnon Airport (3.1 miles)

  • Lowest 4 June, 2026

    66.2 °F

  • Average June

    79.7 °F

  • Highest 12 June, 2026

    95 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (3.1 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    78 °F
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