William R Mason Regional Park Weather Forecast

    • 70
    • 91

    Mostly Sunny

    • 67
    • 85

    Mostly Sunny

    • 65
    • 81

    Mostly Sunny

    • 66
    • 82

    Slight Chance Rain Showers

    • 68
    • 84

    Slight Chance Rain Showers

    • 69
    • 86

    Partly Sunny

Today 29 Aug Orange County Coastal

Partly cloudy this morning. Becoming mostly sunny. Highs 80 to 84 at the Beaches to 87 to 92 farther inland and near higher coastal Terrain. Light Winds becoming southwest 10 to 15 Mph this afternoon.

Tonight 29 Aug Orange County Coastal

Mostly clear. Lows around 70. Areas of Winds west 10 Mph in the evening becoming light.

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William R Mason Regional Park Temperature Statistics

August Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 5 August, 2026

    68.6 °F

  • Average August

    77.5 °F

  • Highest 23 August, 2026

    93.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (2.5 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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