St Mary's River - St Mary's Weather Forecast

    • 60
    • 76

    Partly Sunny

    • 60
    • 86

    Decreasing Clouds

    • 57
    • 71

    Breezy

    • 59
    • 70

    Partly Sunny

    • 59
    • 75

    Mostly Sunny

    • 60
    • 78

    Mostly Cloudy

    • 62
    • 80

    Partly Sunny

Today 26 Mar Coastal Camden

Patchy fog early. Mostly sunny. Not as cool with Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 26 Mar Coastal Camden

Mostly clear this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows around 60. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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St Mary's River - St Mary's Temperature Statistics

March Temperature

Fernandina Beach Municipal Airport (8.7 miles)

  • Lowest 18 March, 2026

    39.2 °F

  • Average March

    64.3 °F

  • Highest 23 March, 2026

    87.8 °F

Climate (2021–Present)

Fernandina Beach Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    62.6 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    78.2 °F
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