Saint Johns River - Green Cove Springs Marina Weather Forecast

    • 60
    • 70

    Mostly Cloudy

    • 66
    • 74

    Chance Rain Showers

    • 47
    • 71

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

    • 58
    • 71

    Partly Sunny

Today 17 Dec Eastern Clay

Partly sunny this Morning, then becoming mostly cloudy. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 17 Dec Eastern Clay

Mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Saint Johns River - Green Cove Springs Marina Temperature Statistics

December Temperature

Jacksonville Naval Air Station (16.8 miles)

  • Lowest 12 December, 2025

    43 °F

  • Average December

    57.6 °F

  • Highest 5 December, 2025

    79 °F

Climate (2020–Present)

Jacksonville Naval Air Station (16.8 miles)

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  • Average Low 2020–2025

    64.9 °F

  • Average 2020–2025

    72.5 °F

  • Average High 2020–2025

    81 °F
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