William R Mason Regional Park Weather Forecast

    • 59
    • 77

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 58
    • 77

    Partly Sunny

    • 60
    • 75

    Mostly Cloudy

    • 60
    • 74

    Mostly Cloudy

    • 58
    • 72

    Chance Rain Showers

Today 24 Oct Orange County Coastal

Mostly cloudy in the morning. Becoming partly cloudy. A chance of Showers. Highs 66 to 70.

Tonight 24 Oct Orange County Coastal

Clear. Lows 57 to 61. Areas of Winds west to 10 Mph this evening becoming light.

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William R Mason Regional Park Temperature Statistics

October Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 13 October, 2026

    58.6 °F

  • Average October

    76.8 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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