O'Neill Regional Park Weather Forecast

    • 51
    • 69

    Partly Sunny

    • 61
    • 79

    Mostly Sunny

    • 67
    • 93

    Mostly Sunny

    • 64
    • 95

    Partly Sunny

    • 60
    • 89

    Mostly Sunny

    • 61
    • 88

    Mostly Sunny

Today 10 Mar Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 69 to 72. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 10 Mar Orange County Inland

Partly cloudy. Patchy fog overnight. Lows around 51. Areas of Winds southwest to 10 Mph in the evening becoming light.

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O'Neill Regional Park Temperature Statistics

March Temperature

John Wayne-Orange County Airport (14.9 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    65.6 °F

  • Highest 8 March, 2026

    90 °F

Climate (2021–Present)

John Wayne-Orange County Airport (14.9 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.5 °F
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