Saint Johns River - Chicopit Bay Weather Forecast

    • 78
    • 87

    Chance Thunderstorms

    • 77
    • 87

    Chance Thunderstorms

    • 77
    • 88

    Thunderstorms Likely

    • 77
    • 90

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 77
    • 93

    Slight Chance Thunderstorms

Today 6 Aug Coastal Duval

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Aug Coastal Duval

Partly cloudy. Lows in the upper 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns River - Chicopit Bay Temperature Statistics

August Temperature

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

  • Lowest 2 August, 2026

    75 °F

  • Average August

    80.8 °F

  • Highest 1 August, 2026

    89.1 °F

Climate (2021–2026)

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    72.7 °F

  • Average High 2021–2026

    80.1 °F
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