O'Neill Regional Park Weather Forecast

    • 64
    • 90

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 62
    • 85

    Slight Chance Rain Showers

    • 62
    • 87

    Partly Sunny

    • 63
    • 88

    Partly Sunny

    • 65
    • 90

    Mostly Sunny

Today 30 Aug Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 85 to 88 towards the coast to 89 to 92 farther inland. Areas of Winds south to 10 Mph. Gusts to 25 Mph this afternoon.

Tonight 30 Aug Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 62 to 69. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Real-Time

O'Neill Regional Park Temperature Statistics

August Temperature

John Wayne-Orange County Airport (14.9 miles)

  • Lowest 5 August, 2026

    68.6 °F

  • Average August

    77.9 °F

  • Highest 23 August, 2026

    93.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (14.9 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66.1 °F

  • Average High 2021–2026

    73.8 °F
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