Saint Johns River - Mayport Basin Weather Forecast

    • 68
    • 74

    Chance Rain Showers

    • 69
    • 74

    Slight Chance Rain Showers

    • 70
    • 77

    Rain Showers Likely

    • 68
    • 74

    Rain Showers Likely

    • 66
    • 72

    Chance Thunderstorms

    • 67
    • 73

    Slight Chance Rain Showers

Today 29 Oct Coastal Duval

Mostly cloudy with a 20 percent chance of Showers. Highs in the mid 70s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 29 Oct Coastal Duval

Mostly cloudy. Near steady temperature in the lower 70s. Northeast Winds 15 to 20 Mph.

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Saint Johns River - Mayport Basin Temperature Statistics

October Temperature

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

  • Lowest 20 October, 2026

    60.1 °F

  • Average October

    76.3 °F

  • Highest 16 October, 2026

    89.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    72.7 °F

  • Average High 2021–2026

    80 °F
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