St. Marys River Entrance Weather Forecast

    • 61
    • 78

    Mostly Sunny

    • 67
    • 84

    Becoming Sunny

    • 68
    • 86

    Mostly Sunny

    • 72
    • 86

    Mostly Sunny

    • 74
    • 85

    Mostly Sunny

    • 75
    • 85

    Partly Sunny

    • 76
    • 85

    Chance Thunderstorms

Today 26 Sep Coastal Camden

Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Tonight 26 Sep Coastal Camden

Mostly clear. Lows in the upper 50s. Northeast Winds around 5 Mph, becoming west after midnight.

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St. Marys River Entrance Temperature Statistics

September Temperature

Fernandina Beach Municipal Airport (8.1 miles)

  • Lowest 24 September, 2026

    68 °F

  • Average September

    80.7 °F

  • Highest 13 September, 2026

    91.4 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.3 °F
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