Saint Johns River - Acosta Bridge Weather Forecast

    • 75
    • 91

    Thunderstorms

    • 75
    • 89

    Thunderstorms

    • 75
    • 89

    Rain Showers

    • 75
    • 91

    Thunderstorms Likely

    • 74
    • 92

    Chance Thunderstorms

    • 75
    • 90

    Chance Thunderstorms

Today 22 Aug Coastal Duval

Mostly sunny with a slight chance of Showers and Thunderstorms this Morning, then mostly cloudy with Showers and Thunderstorms likely this afternoon. Highs around 90. Southwest Winds around 5 Mph, becoming southeast this afternoon. Chance of rain 70 percent.

Tonight 22 Aug Coastal Duval

Mostly cloudy. Showers and Thunderstorms, mainly in the evening. Lows in the mid 70s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 80 percent.

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Saint Johns River - Acosta Bridge Temperature Statistics

August Temperature

Jacksonville Naval Air Station (5.6 miles)

  • Lowest 3 August, 2025

    74.6 °F

  • Average August

    85 °F

  • Highest 1 August, 2025

    98.7 °F

Climate (2020–Present)

Jacksonville Naval Air Station (5.6 miles)

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  • Average Low 2020–2025

    65.1 °F

  • Average 2020–2025

    72.6 °F

  • Average High 2020–2025

    81 °F
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