O'Neill Regional Park Weather Forecast

    • 55
    • 76

    Partly Sunny

    • 55
    • 77

    Partly Sunny

    • 56
    • 79

    Mostly Sunny

    • 54
    • 78

    Partly Sunny

    • 54
    • 74

    Partly Sunny

    • 55
    • 75

    Partly Sunny

Today 13 Dec Orange County Inland

Patchy fog in the morning. Partly cloudy. Local visibility one quarter mile or less at Times in the morning. Highs around 72 towards the coast to 75 farther inland. Light Winds.

Tonight 13 Dec Orange County Inland

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

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O'Neill Regional Park Temperature Statistics

December Temperature

John Wayne-Orange County Airport (14.9 miles)

  • Lowest 6 December, 2025

    48 °F

  • Average December

    60.6 °F

  • Highest 9 December, 2025

    82 °F

Climate (2020–Present)

John Wayne-Orange County Airport (14.9 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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