Willow Park Weather Forecast

    • 52
    • 71

    Increasing Clouds

    • 58
    • 73

    Mostly Cloudy

    • 57
    • 68

    Rain Showers

    • 57
    • 65

    Rain Showers Likely

    • 56
    • 66

    Rain Showers Likely

    • 53
    • 65

    Chance Rain Showers

Today 29 Dec Orange County Inland

Mostly sunny. Highs 69 to 72. Areas of Winds northeast 15 to 25 Mph. Gusts to 45 Mph. Becoming 40 Mph in the afternoon.

Tonight 29 Dec Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows 48 to 52. Areas of Winds northeast 15 to 25 Mph. Gusts to 40 Mph. Becoming 35 Mph overnight.

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  • Temperature Real-Time

Willow Park Temperature Statistics

December Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 5 December, 2025

    45 °F

  • Average December

    60.4 °F

  • Highest 10 December, 2025

    84.9 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    66.1 °F

  • Average High 2020–2025

    76.4 °F
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