Saint Johns River - Exchange Island Weather Forecast

    • 48
    • 77

    Sunny

    • 50
    • 78

    Sunny

    • 56
    • 76

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 67
    • 82

    Partly Sunny

    • 59
    • 82

    Chance Rain Showers

Today 11 Mar Coastal Duval

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 11 Mar Coastal Duval

Clear. Lows in the upper 40s. West Winds around 5 Mph.

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Saint Johns River - Exchange Island Temperature Statistics

March Temperature

Jacksonville Craig Municipal Airport (6.2 miles)

  • Lowest 7 March, 2025

    42.7 °F

  • Average March

    61.4 °F

  • Highest 5 March, 2025

    79.6 °F

Climate (2020–Present)

Jacksonville Craig Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    62.8 °F

  • Average 2020–2025

    71 °F

  • Average High 2020–2025

    80.3 °F
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