James Island Weather Forecast

    • 53
    • 75

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

    • 56
    • 77

    Mostly Sunny

    • 51
    • 77

    Partly Sunny

Today 23 Dec Coastal Duval

Mostly sunny. Highs in the mid 70s. East Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 23 Dec Coastal Duval

Mostly clear. Patchy fog after midnight. Lows in the mid 50s. South Winds around 5 Mph, becoming west after midnight.

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James Island Temperature Statistics

December Temperature

Jacksonville Craig Municipal Airport (6.8 miles)

  • Lowest 12 December, 2025

    37 °F

  • Average December

    56.7 °F

  • Highest 2 December, 2025

    79 °F

Climate (2020–Present)

Jacksonville Craig Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    62.5 °F

  • Average 2020–2025

    70.9 °F

  • Average High 2020–2025

    80.4 °F
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