Matanzas River - San Sebastian River Entrance Weather Forecast

    • 78
    • 90

    Chance Thunderstorms

    • 79
    • 85

    Thunderstorms

    • 80
    • 86

    Thunderstorms Likely

    • 78
    • 84

    Thunderstorms Likely

    • 78
    • 83

    Thunderstorms

    • 78
    • 83

    Thunderstorms Likely

    • 78
    • 85

    Rain Showers

Today 3 Aug Southeast Coastal St. Johns

Showers and Thunderstorms. Highs in the lower 90s. Northeast Winds 5 to 10 Mph. Chance of rain 80 percent. Heat index Values up to 105.

Tonight 3 Aug Southeast Coastal St. Johns

Mostly cloudy. A chance of Showers and Thunderstorms this Evening, then a slight chance of Showers after midnight. Lows in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Matanzas River - San Sebastian River Entrance Temperature Statistics

August Temperature

Northeast Florida Regional Airport (6.2 miles)

  • Lowest 1 August, 2025

    78.1 °F

  • Average August

    85.7 °F

  • Highest 1 August, 2025

    95 °F

Climate (2020–Present)

Northeast Florida Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    63.8 °F

  • Average 2020–2025

    70.8 °F

  • Average High 2020–2025

    78.1 °F
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