Jekyll Island Weather Forecast

    • 78
    • 98

    Chance Thunderstorms

    • 77
    • 99

    Hot

    • 77
    • 97

    Hot

    • 76
    • 96

    Chance Thunderstorms

    • 75
    • 95

    Thunderstorms Likely

    • 75
    • 95

    Chance Thunderstorms

Today 18 Aug Coastal Glynn

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the upper 90s. West Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 114.

Tonight 18 Aug Coastal Glynn

Mostly clear. Lows around 80. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jekyll Island Temperature Statistics

August Temperature

Brunswick, Malcolm McKinnon Airport (5.6 miles)

  • Lowest 13 August, 2026

    75.2 °F

  • Average August

    82.8 °F

  • Highest 11 August, 2026

    96.8 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (5.6 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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