Willow Park Weather Forecast

    • 67
    • 84

    Becoming Sunny

    • 68
    • 86

    Partly Sunny

    • 68
    • 87

    Partly Sunny

    • 68
    • 88

    Partly Sunny

    • 69
    • 89

    Mostly Sunny

    • 69
    • 88

    Mostly Sunny

Today 15 Aug Orange County Inland

Mostly cloudy in the morning. Becoming sunny. Patchy dense fog in the morning. Highs around 81 towards the coast to 83 to 86 farther inland. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 15 Aug Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 58 to 66. Areas of Winds southwest 10 Mph in the evening becoming light.

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Willow Park Temperature Statistics

August Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 5 August, 2026

    67.6 °F

  • Average August

    80.1 °F

  • Highest 8 August, 2026

    97.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    76.8 °F
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