William R Mason Regional Park Weather Forecast

    • 59
    • 80

    Mostly Sunny

    • 61
    • 92

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

    • 60
    • 87

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

    • 58
    • 84

    Patchy Fog

Today 16 Mar Orange County Coastal

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Warmer. Highs 69 to 74 at the Beaches to 79 to 84 farther inland and near higher coastal Terrain. Light Winds becoming west 10 Mph this afternoon.

Tonight 16 Mar Orange County Coastal

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows around 60. Areas of Winds west to 10 Mph this evening becoming light.

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William R Mason Regional Park Temperature Statistics

March Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    66.6 °F

  • Highest 12 March, 2026

    91 °F

Climate (2021–Present)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.6 °F
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