Saint Johns River - Mayport Naval Station Weather Forecast

    • 48
    • 71

    Becoming Sunny

    • 52
    • 65

    Mostly Sunny

    • 55
    • 67

    Breezy

    • 58
    • 66

    Breezy

    • 54
    • 69

    Mostly Sunny

    • 54
    • 69

    Mostly Sunny

Today 19 Dec Coastal Duval

Partly sunny in the Morning, then clearing. Highs in the lower 70s. West Winds 10 to 15 Mph.

Tonight 19 Dec Coastal Duval

Mostly cloudy with a 40 percent chance of Showers. Lows in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Saint Johns River - Mayport Naval Station Temperature Statistics

December Temperature

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

  • Lowest 16 December, 2025

    39 °F

  • Average December

    57.2 °F

  • Highest 5 December, 2025

    80.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    65.6 °F

  • Average 2020–2025

    72.7 °F

  • Average High 2020–2025

    80 °F
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