Matanzas River - San Sebastian River Entrance Weather Forecast

    • 78
    • 82

    Rain Showers Likely

    • 73
    • 79

    Rain Showers Likely

    • 68
    • 75

    Breezy

    • 68
    • 80

    Mostly Sunny

    • 68
    • 82

    Partly Sunny

    • 70
    • 83

    Partly Sunny

    • 73
    • 83

    Slight Chance Thunderstorms

Today 23 Sep Southeast Coastal St. Johns

Showers likely with a chance of Thunderstorms. Highs in the mid 80s. Northeast Winds 15 to 20 Mph. Chance of rain 60 percent.

Tonight 23 Sep Southeast Coastal St. Johns

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Lows in the mid 70s. Northeast Winds 15 to 20 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Matanzas River - San Sebastian River Entrance Temperature Statistics

September Temperature

Northeast Florida Regional Airport (6.2 miles)

  • Lowest 19 September, 2026

    72 °F

  • Average September

    80.9 °F

  • Highest 13 September, 2026

    90 °F

Climate (2021–2026)

Northeast Florida Regional Airport (6.2 miles)

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  • Average Low 2021–2026

    63.8 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    78.1 °F
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