Saint Johns River - Mayport Basin Weather Forecast

    • 55
    • 67

    Dense Fog

    • 56
    • 62

    Mostly Cloudy

    • 50
    • 77

    Rain Showers Likely

    • 31
    • 59

    Mostly Sunny

    • 35
    • 48

    Mostly Sunny

    • 37
    • 56

    Partly Sunny

Today 23 Jan Coastal Duval

Areas of fog this morning. Mostly sunny. Highs in the lower 70s. Northeast Winds around 5 Mph.

Tonight 23 Jan Coastal Duval

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 10 Mph.

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Saint Johns River - Mayport Basin Temperature Statistics

January Temperature

Mayport Naval Station - Adm David L. McDonald Field (0.6 miles)

  • Lowest 16 January, 2026

    33.1 °F

  • Average January

    55.7 °F

  • Highest 10 January, 2026

    80.1 °F

Climate (2021–Present)

Mayport Naval Station - Adm David L. McDonald Field (0.6 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    72.7 °F

  • Average High 2021–2026

    80.1 °F
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