Saint Johns River - Sulphur Springs Cove Weather Forecast

    • 74
    • 91

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

    • 75
    • 87

    Thunderstorms Likely

    • 73
    • 83

    Rain Showers

    • 74
    • 86

    Thunderstorms Likely

    • 73
    • 85

    Rain Showers Likely

Today 6 Sep Eastern Clay

Sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Northeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 6 Sep Eastern Clay

Mostly clear with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 70s. East Winds 5 to 10 Mph, becoming south after midnight. Chance of rain 20 percent.

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Saint Johns River - Sulphur Springs Cove Temperature Statistics

September Temperature

Northeast Florida Regional Airport (15.5 miles)

  • Lowest 1 September, 2025

    77 °F

  • Average September

    80.7 °F

  • Highest 2 September, 2025

    86 °F

Climate (2020–Present)

Northeast Florida Regional Airport (15.5 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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