Saint Johns River Mouth Weather Forecast

    • 57
    • 64

    Dense Fog

    • 56
    • 70

    Dense Fog

    • 61
    • 68

    Partly Sunny

    • 61
    • 73

    Mostly Sunny

    • 61
    • 71

    Partly Sunny

    • 61
    • 71

    Partly Sunny

Today 3 Feb Coastal Duval

Partly sunny. Highs around 70. Northeast Winds 5 to 10 Mph.

Tonight 3 Feb Coastal Duval

Partly cloudy in the Evening, then becoming mostly cloudy. Widespread dense fog after midnight with visibility one quarter mile or less at Times. Lows in the mid 50s. East Winds 5 to 10 Mph, becoming southwest after midnight.

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Saint Johns River Mouth Temperature Statistics

February Temperature

Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)

  • Lowest 1 February, 2025

    57.9 °F

  • Average February

    63.9 °F

  • Highest 1 February, 2025

    72 °F

Climate (2020–Present)

Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)

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  • Average Low 2020–2025

    65.5 °F

  • Average 2020–2025

    72.3 °F

  • Average High 2020–2025

    79.6 °F
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