Pearson Park Weather Forecast

    • 63
    • 82

    Mostly Cloudy

    • 65
    • 82

    Mostly Cloudy

    • 64
    • 82

    Partly Sunny

    • 64
    • 82

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 66
    • 84

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

Today 3 Jul Orange County Inland

Patchy fog this morning. Partly cloudy. Highs around 77 towards the coast to 80 to 83 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 3 Jul Orange County Inland

Partly cloudy. Patchy fog. Lows 57 to 63. Areas of Winds southwest to 10 Mph this evening becoming light.

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Pearson Park Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 1 July, 2026

    64 °F

  • Average July

    68.2 °F

  • Highest 1 July, 2026

    75 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    76.8 °F
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