Saint Johns River - Chicopit Bay Weather Forecast

    • 50
    • 63

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 60
    • 81

    Sunny

    • 59
    • 82

    Mostly Sunny

    • 58
    • 67

    Mostly Cloudy

Today 19 Mar Coastal Duval

Sunny. Highs in the mid 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 19 Mar Coastal Duval

Mostly clear. Lows in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Saint Johns River - Chicopit Bay Temperature Statistics

March Temperature

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

  • Lowest 16 March, 2026

    50 °F

  • Average March

    65.9 °F

  • Highest 10 March, 2026

    82 °F

Climate (2021–Present)

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

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  • Average Low 2021–2026

    65.5 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    80 °F
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