Saint Johns River - Mayport Basin Weather Forecast

    • 75
    • 81

    Rain Showers

    • 74
    • 83

    Chance Thunderstorms

    • 74
    • 83

    Partly Sunny

    • 72
    • 82

    Chance Thunderstorms

    • 69
    • 77

    Chance Thunderstorms

    • 68
    • 77

    Slight Chance Rain Showers

Today 6 Oct Coastal Duval

A chance of Thunderstorms. Showers. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 6 Oct Coastal Duval

Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Lows in the mid 70s. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Saint Johns River - Mayport Basin Temperature Statistics

October Temperature

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

  • Lowest 2 October, 2025

    72 °F

  • Average October

    76.9 °F

  • Highest 3 October, 2025

    84 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    65.8 °F

  • Average 2020–2025

    72.8 °F

  • Average High 2020–2025

    80.1 °F
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