William R Mason Regional Park Weather Forecast

    • 49
    • 72

    Mostly Sunny

    • 52
    • 68

    Increasing Clouds

    • 49
    • 68

    Partly Sunny

    • 49
    • 71

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 50
    • 68

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

Today 1 Dec Orange County Coastal

Partly cloudy this morning. Becoming mostly sunny. Highs 66 to 71. Light Winds becoming west 10 Mph this afternoon.

Tonight 1 Dec Orange County Coastal

Mostly clear. Lows 48 to 52. Areas of Winds south to 10 Mph this evening becoming light.

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William R Mason Regional Park Temperature Statistics

December Temperature

John Wayne-Orange County Airport (2.5 miles)

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Climate (2020–Present)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.4 °F
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