Saint Johns River - Mayport Basin Weather Forecast

    • 56
    • 74

    Decreasing Clouds

    • 61
    • 72

    Partly Sunny

    • 66
    • 77

    Partly Sunny

    • 55
    • 79

    Thunderstorms

    • 52
    • 68

    Mostly Sunny

    • 55
    • 69

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

Today 13 Mar Coastal Duval

Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 13 Mar Coastal Duval

Partly cloudy this Evening, then clearing. Lows in the mid 50s. South Winds 5 to 10 Mph, becoming west after midnight.

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Saint Johns River - Mayport Basin Temperature Statistics

March Temperature

Mayport Naval Station - Adm David L. McDonald Field (0.6 miles)

  • Lowest 1 March, 2025

    49.6 °F

  • Average March

    65.1 °F

  • Highest 5 March, 2025

    82.7 °F

Climate (2020–Present)

Mayport Naval Station - Adm David L. McDonald Field (0.6 miles)

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  • Average Low 2020–2025

    65.5 °F

  • Average 2020–2025

    72.4 °F

  • Average High 2020–2025

    79.7 °F
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