Saint Johns River - Green Cove Springs Marina Weather Forecast

    • 78
    • 91

    Chance Thunderstorms

    • 77
    • 88

    Chance Thunderstorms

    • 77
    • 87

    Thunderstorms

    • 77
    • 89

    Chance Thunderstorms

    • 79
    • 91

    Mostly Sunny

    • 79
    • 92

    Chance Thunderstorms

Today 18 Jun Eastern Clay

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 109.

Tonight 18 Jun Eastern Clay

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Saint Johns River - Green Cove Springs Marina Temperature Statistics

June Temperature

Jacksonville Naval Air Station (16.8 miles)

  • Lowest 4 June, 2026

    70 °F

  • Average June

    79.8 °F

  • Highest 15 June, 2026

    93.9 °F

Climate (2021–2026)

Jacksonville Naval Air Station (16.8 miles)

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  • Average Low 2021–2026

    64.9 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    81.1 °F
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