Matanzas River - State Road 312 Weather Forecast

    • 76
    • 83

    Slight Chance Thunderstorms

    • 75
    • 86

    Chance Thunderstorms

    • 73
    • 83

    Rain Showers Likely

    • 71
    • 81

    Breezy

    • 70
    • 82

    Mostly Sunny

    • 70
    • 82

    Partly Sunny

Today 22 Sep Southeast Coastal St. Johns

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 22 Sep Southeast Coastal St. Johns

Mostly cloudy. Lows in the mid 70s. Northeast Winds 5 to 10 Mph.

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Matanzas River - State Road 312 Temperature Statistics

September Temperature

Northeast Florida Regional Airport (6.2 miles)

  • Lowest 19 September, 2026

    72 °F

  • Average September

    81 °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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