Matanzas River - State Road 312 Weather Forecast

    • 78
    • 92

    Chance Thunderstorms

    • 80
    • 88

    Chance Thunderstorms

    • 79
    • 87

    Thunderstorms Likely

    • 79
    • 85

    Rain Showers

    • 79
    • 84

    Thunderstorms Likely

    • 78
    • 84

    Chance Thunderstorms

Today 14 Aug Southeast Coastal St. Johns

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph, becoming south 10 to 15 Mph this afternoon. Chance of rain 30 percent. Heat index Values up to 110.

Tonight 14 Aug Southeast Coastal St. Johns

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 70s. South Winds 10 to 15 Mph, becoming southwest around 5 Mph after midnight. Chance of rain 40 percent. Heat index Values up to 106 early in the evening.

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Matanzas River - State Road 312 Temperature Statistics

August Temperature

Northeast Florida Regional Airport (6.2 miles)

  • Lowest 8 August, 2025

    73.9 °F

  • Average August

    81.8 °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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