South Beach (Jekyll Island) Weather Forecast

    • 80
    • 95

    Mostly Sunny

    • 79
    • 92

    Chance Thunderstorms

    • 79
    • 89

    Thunderstorms Likely

    • 79
    • 84

    Rain Showers

    • 79
    • 85

    Thunderstorms Likely

    • 79
    • 87

    Chance Thunderstorms

Today 20 Jul Coastal Glynn

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 112.

Tonight 20 Jul Coastal Glynn

Partly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 30 percent. Heat index Values up to 107 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Beach (Jekyll Island) Temperature Statistics

July Temperature

Brunswick, Malcolm McKinnon Airport (9.3 miles)

  • Lowest 10 July, 2025

    71.6 °F

  • Average July

    82.2 °F

  • Highest 13 July, 2025

    95 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (9.3 miles)

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  • Average Low 2020–2025

    63.1 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    77.9 °F
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