Frederica River - Fort Frederica National Monument Weather Forecast

    • 72
    • 86

    Thunderstorms

    • 72
    • 87

    Thunderstorms Likely

    • 70
    • 92

    Chance Thunderstorms

    • 71
    • 90

    Mostly Sunny

    • 72
    • 86

    Chance Thunderstorms

    • 71
    • 85

    Chance Thunderstorms

Today 23 Aug Coastal Glynn

Partly sunny. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall this morning. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 23 Aug Coastal Glynn

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. East Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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Frederica River - Fort Frederica National Monument Temperature Statistics

August Temperature

Brunswick / Glynco (4.3 miles)

  • Lowest 8 August, 2025

    72.1 °F

  • Average August

    80.6 °F

  • Highest 1 August, 2025

    97.9 °F

Climate (2020–Present)

Brunswick / Glynco (4.3 miles)

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  • Average Low 2020–2025

    58.1 °F

  • Average 2020–2025

    67.7 °F

  • Average High 2020–2025

    78.3 °F
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