Pearson Park Weather Forecast

    • 73
    • 97

    Hot

    • 70
    • 94

    Becoming Sunny

    • 67
    • 89

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

    • 68
    • 87

    Mostly Cloudy

    • 69
    • 87

    Partly Sunny

    • 70
    • 90

    Mostly Sunny

Today 28 Aug Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 93 to 97 towards the coast to 100 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 28 Aug Orange County Inland

Mostly clear. Lows 68 to 73. Areas of Winds south to 10 Mph this evening becoming light.

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Pearson Park Temperature Statistics

August Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 16 August, 2026

    66.7 °F

  • Average August

    80.8 °F

  • Highest 24 August, 2026

    101.6 °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

    66.6 °F

  • Average High 2021–2026

    76.9 °F
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