O'Neill Regional Park Weather Forecast

    • 64
    • 87

    Patchy Fog

    • 64
    • 88

    Partly Sunny

    • 65
    • 89

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

    • 65
    • 90

    Partly Sunny

Today 19 Jul Orange County Inland

Mostly cloudy this morning. Becoming mostly sunny. Patchy fog this morning. Highs 81 to 85 towards the coast to 87 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 19 Jul Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 62 to 68. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Real-Time

O'Neill Regional Park Temperature Statistics

July Temperature

John Wayne-Orange County Airport (14.9 miles)

  • Lowest 3 July, 2026

    62.7 °F

  • Average July

    72.6 °F

  • Highest 15 July, 2026

    86.6 °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 °F

  • Average High 2021–2026

    73.7 °F
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