Saint Johns River Mouth Weather Forecast

    • 79
    • 85

    Chance Thunderstorms

    • 78
    • 83

    Chance Thunderstorms

    • 78
    • 82

    Rain Showers Likely

    • 76
    • 83

    Rain Showers Likely

    • 75
    • 81

    Rain Showers

    • 73
    • 77

    Rain Showers

Today 1 Oct Coastal Duval

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the upper 80s. East Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 1 Oct Coastal Duval

Mostly cloudy with a 20 percent chance of Showers. Lows in the mid 70s. Southeast Winds 10 to 15 Mph.

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Saint Johns River Mouth Temperature Statistics

October Temperature

Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)

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Climate (2021–2026)

Mayport Naval Station - Adm David L. McDonald Field (1.9 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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