Matanzas River Mouth (St Augustine Inlet) Weather Forecast

    • 78
    • 85

    Thunderstorms

    • 77
    • 84

    Thunderstorms Likely

    • 78
    • 86

    Chance Thunderstorms

    • 78
    • 87

    Chance Thunderstorms

    • 78
    • 88

    Slight Chance Thunderstorms

    • 78
    • 90

    Slight Chance Thunderstorms

Today 7 Aug Southeast Coastal St. Johns

Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 80s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 7 Aug Southeast Coastal St. Johns

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 70s. Southeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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Matanzas River Mouth (St Augustine Inlet) Temperature Statistics

August Temperature

Northeast Florida Regional Airport (4.3 miles)

  • Lowest 2 August, 2026

    75 °F

  • Average August

    80.2 °F

  • Highest 1 August, 2026

    90 °F

Climate (2021–2026)

Northeast Florida Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    63.7 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    78.1 °F
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