O'Neill Regional Park Weather Forecast

    • 53
    • 80

    Sunny

    • 52
    • 83

    Sunny

    • 51
    • 82

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 50
    • 73

    Patchy Fog

    • 50
    • 70

    Patchy Fog

Today 8 Dec Orange County Inland

Mostly sunny. Highs around 78 towards the coast to 79 to 82 farther inland. Areas of Winds northwest 10 to 15 Mph with Gusts to 30 Mph.

Tonight 8 Dec Orange County Inland

Clear. Lows 49 to 54. Areas of Winds northeast 10 to 20 Mph. Gusts to 35 Mph. Becoming 30 Mph overnight.

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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

    59.7 °F

  • Highest 4 December, 2025

    71.1 °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

    73.3 °F
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