William R Mason Regional Park Weather Forecast

    • 61
    • 73

    Rain Showers Likely

    • 57
    • 71

    Rain Showers Likely

    • 57
    • 74

    Mostly Sunny

    • 62
    • 78

    Sunny

    • 68
    • 88

    Sunny

    • 71
    • 95

    Sunny

    • 69
    • 92

    Sunny

Today 11 Oct Orange County Coastal

Mostly sunny. Highs 81 to 85 at the Beaches to 90 farther inland and near higher coastal Terrain.

Tonight 11 Oct Orange County Coastal

Partly cloudy with a chance of Showers this Evening, then mostly cloudy with Showers likely overnight. Lows 57 to 61. Areas of Winds southwest 10 to 15 Mph. Chance of measurable precipitation 70 percent.

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William R Mason Regional Park Temperature Statistics

October Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 1 October, 2026

    67.6 °F

  • Average October

    82.5 °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

    59.1 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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