South Beach (Jekyll Island) Weather Forecast

    • 46
    • 59

    Mostly Sunny

    • 52
    • 62

    Mostly Sunny

    • 54
    • 61

    Partly Sunny

    • 53
    • 67

    Mostly Sunny

    • 53
    • 67

    Partly Sunny

    • 54
    • 67

    Mostly Sunny

    • 55
    • 70

    Mostly Sunny

Today 20 Dec Coastal Glynn

Sunny. Highs in the mid 60s. Northeast Winds around 5 Mph.

Tonight 20 Dec Coastal Glynn

Clear this Evening, then becoming partly cloudy. Areas of dense fog after midnight. Lows in the upper 30s. Northeast Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Beach (Jekyll Island) Temperature Statistics

December Temperature

Brunswick, Malcolm McKinnon Airport (9.3 miles)

  • Lowest 15 December, 2025

    33.8 °F

  • Average December

    53.8 °F

  • Highest 5 December, 2025

    75.2 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (9.3 miles)

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  • Average Low 2020–2025

    63 °F

  • Average 2020–2025

    70.2 °F

  • Average High 2020–2025

    77.9 °F
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