Saint Johns River - Great Marsh Island Weather Forecast

    • 65
    • 80

    Partly Sunny

    • 68
    • 80

    Partly Sunny

    • 68
    • 79

    Mostly Cloudy

    • 66
    • 78

    Partly Sunny

    • 65
    • 80

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

Today 25 Apr Coastal Duval

Sunny. Highs in the lower 80s. West Winds around 5 Mph, increasing to southeast 10 to 15 Mph with Gusts up to 25 Mph this afternoon.

Tonight 25 Apr Coastal Duval

Partly cloudy. Lows in the lower 60s. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns River - Great Marsh Island Temperature Statistics

April Temperature

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

  • Lowest 5 April, 2024

    52.6 °F

  • Average April

    71.7 °F

  • Highest 21 April, 2024

    90.6 °F

Climate (2019–Present)

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

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  • Average Low 2019–2024

    65.2 °F

  • Average 2019–2024

    71.8 °F

  • Average High 2019–2024

    79.1 °F
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