Saint Johns River - Sisters Creek Entrance Weather Forecast

    • 74
    • 91

    Chance Thunderstorms

    • 74
    • 91

    Chance Rain Showers

    • 75
    • 88

    Chance Thunderstorms

    • 74
    • 87

    Chance Thunderstorms

    • 75
    • 86

    Rain Showers Likely

    • 75
    • 85

    Rain Showers Likely

Today 25 Aug Coastal Duval

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs around 90. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 25 Aug Coastal Duval

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. South Winds around 5 Mph, becoming west around 5 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns River - Sisters Creek Entrance Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2025

    74.6 °F

  • Average August

    83.6 °F

  • Highest 1 August, 2025

    96.7 °F

Climate (2020–Present)

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