Saint Johns River - Green Cove Springs Marina Weather Forecast

    • 50
    • 67

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 60
    • 82

    Sunny

    • 62
    • 83

    Mostly Sunny

    • 60
    • 71

    Mostly Cloudy

Today 19 Mar Eastern Clay

Sunny. Highs in the upper 60s. North Winds 10 to 15 Mph.

Tonight 19 Mar Eastern Clay

Partly cloudy in the Evening, then clearing. Lows in the upper 40s. Northeast Winds 10 to 15 Mph, becoming north around 5 Mph after midnight.

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Saint Johns River - Green Cove Springs Marina Temperature Statistics

March Temperature

Jacksonville Naval Air Station (16.8 miles)

  • Lowest 16 March, 2026

    50 °F

  • Average March

    69.3 °F

  • Highest 11 March, 2026

    90 °F

Climate (2021–Present)

Jacksonville Naval Air Station (16.8 miles)

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  • Average Low 2021–2026

    64.9 °F

  • Average 2021–2026

    72.5 °F

  • Average High 2021–2026

    81.1 °F
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