Frederica River - Fort Frederica National Monument Weather Forecast

    • 77
    • 95

    Mostly Sunny

    • 75
    • 89

    Chance Thunderstorms

    • 74
    • 87

    Partly Sunny

    • 75
    • 87

    Chance Thunderstorms

    • 75
    • 88

    Chance Thunderstorms

    • 75
    • 88

    Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

Today 14 Sep Coastal Glynn

Sunny. Highs in the lower 90s. West Winds around 5 Mph, becoming east this afternoon. Heat index Values up to 105.

Tonight 14 Sep Coastal Glynn

Mostly clear. Lows in the mid 70s. Southeast Winds around 5 Mph, becoming northeast after midnight.

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Frederica River - Fort Frederica National Monument Temperature Statistics

September Temperature

Brunswick / Glynco (4.3 miles)

  • Lowest 12 September, 2026

    72 °F

  • Average September

    81 °F

  • Highest 6 September, 2026

    97.9 °F

Climate (2021–2026)

Brunswick / Glynco (4.3 miles)

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  • Average Low 2021–2026

    57.8 °F

  • Average 2021–2026

    67.8 °F

  • Average High 2021–2026

    78.9 °F
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