Mill Cove - New Castle Island Weather Forecast

    • 54
    • 76

    Mostly Sunny

    • 61
    • 75

    Mostly Sunny

    • 67
    • 81

    Partly Sunny

    • 54
    • 79

    Thunderstorms

    • 49
    • 68

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 13 Mar Coastal Duval

Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 13 Mar Coastal Duval

Partly cloudy this Evening, then clearing. Lows in the mid 50s. South Winds 5 to 10 Mph, becoming west after midnight.

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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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