William R Mason Regional Park Weather Forecast

    • 47
    • 68

    Increasing Clouds

    • 46
    • 71

    Partly Sunny

    • 49
    • 71

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 50
    • 69

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

Today 25 Jan Orange County Coastal

Mostly sunny in the morning. Becoming partly cloudy. Highs 64 to 68. Areas of Winds northeast 10 to 20 Mph with Gusts to 30 Mph becoming west 10 Mph in the afternoon.

Tonight 25 Jan Orange County Coastal

Partly cloudy in the evening. Becoming mostly cloudy. Lows 45 to 49. Areas of Winds northeast to 10 Mph.

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William R Mason Regional Park Temperature Statistics

January Temperature

John Wayne-Orange County Airport (2.5 miles)

  • Lowest 12 January, 2026

    47.6 °F

  • Average January

    61.5 °F

  • Highest 14 January, 2026

    87.7 °F

Climate (2021–Present)

John Wayne-Orange County Airport (2.5 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    73.4 °F
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