Castaways Park Weather Forecast

    • 54
    • 69

    Patchy Fog

    • 55
    • 67

    Partly Sunny

    • 56
    • 72

    Partly Sunny

    • 55
    • 70

    Patchy Fog

    • 54
    • 66

    Patchy Fog

    • 55
    • 67

    Mostly Cloudy

Today 16 Dec Orange County Coastal

Patchy fog in the morning. Partly cloudy. Highs around 69 at the Beaches to 71 to 74 farther inland and near higher coastal Terrain. Light Winds.

Tonight 16 Dec Orange County Coastal

Partly cloudy. Patchy fog overnight. Lows 51 to 54. Light Winds.

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Castaways Park Temperature Statistics

December Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 6 December, 2025

    48 °F

  • Average December

    60.4 °F

  • Highest 9 December, 2025

    82 °F

Climate (2020–Present)

John Wayne-Orange County Airport (4.3 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.4 °F
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