Saint Johns River - Green Cove Springs Marina Weather Forecast

    • 74
    • 86

    Partly Sunny

    • 75
    • 87

    Slight Chance Thunderstorms

    • 76
    • 86

    Chance Thunderstorms

    • 76
    • 86

    Rain Showers Likely

    • 75
    • 86

    Rain Showers Likely

    • 76
    • 87

    Rain Showers

Today 17 Sep Eastern Clay

Mostly sunny. Highs in the upper 80s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Sep Eastern Clay

Partly cloudy. Lows in the lower 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Real-Time

Saint Johns River - Green Cove Springs Marina Temperature Statistics

September Temperature

Jacksonville Naval Air Station (16.8 miles)

  • Lowest 6 September, 2026

    73.9 °F

  • Average September

    81.9 °F

  • Highest 14 September, 2026

    93 °F

Climate (2021–2026)

Jacksonville Naval Air Station (16.8 miles)

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  • Average Low 2021–2026

    65 °F

  • Average 2021–2026

    72.7 °F

  • Average High 2021–2026

    81.3 °F
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