O'Neill Regional Park Weather Forecast

    • 51
    • 70

    Partly Sunny

    • 52
    • 72

    Breezy

    • 54
    • 72

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 53
    • 73

    Mostly Sunny

Today 4 Mar Orange County Inland

Patchy fog this morning. Partly cloudy. Highs 70 to 74. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 4 Mar Orange County Inland

Partly cloudy. Lows 49 to 52. Light Winds.

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O'Neill Regional Park Temperature Statistics

March Temperature

John Wayne-Orange County Airport (14.9 miles)

  • Lowest 2 March, 2026

    57 °F

  • Average March

    64.7 °F

  • Highest 1 March, 2026

    80.1 °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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