Mill Cove - New Castle Island Weather Forecast

    • 61
    • 76

    Increasing Clouds

    • 68
    • 80

    Partly Sunny

    • 54
    • 79

    Rain Showers

    • 49
    • 67

    Sunny

    • 52
    • 70

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 14 Mar Coastal Duval

Sunny. Highs in the mid 70s. Northwest Winds around 5 Mph, becoming east this afternoon.

Tonight 14 Mar Coastal Duval

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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Mill Cove - New Castle Island Temperature Statistics

March Temperature

Jacksonville Craig Municipal Airport (5 miles)

  • Lowest 7 March, 2025

    42.7 °F

  • Average March

    61.6 °F

  • Highest 5 March, 2025

    79.6 °F

Climate (2020–Present)

Jacksonville Craig Municipal Airport (5 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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