William R Mason Regional Park Weather Forecast

    • 67
    • 78

    Mostly Cloudy

    • 68
    • 80

    Mostly Cloudy

    • 69
    • 81

    Partly Sunny

    • 70
    • 83

    Mostly Sunny

    • 72
    • 87

    Mostly Sunny

    • 71
    • 85

    Partly Sunny

Today 11 Jul Orange County Coastal

Cloudy in the morning. Becoming partly cloudy. Patchy dense fog in the morning. Highs 72 to 75 at the Beaches to 76 to 79 farther inland and near higher coastal Terrain. Areas of Winds south to 10 Mph.

Tonight 11 Jul Orange County Coastal

Partly cloudy. Patchy dense fog. Lows 63 to 66. Areas of Winds south 10 Mph in the evening becoming light.

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William R Mason Regional Park Temperature Statistics

July Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 3 July, 2026

    62.7 °F

  • Average July

    71.3 °F

  • Highest 4 July, 2026

    80.7 °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 °F

  • Average High 2021–2026

    73.7 °F
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