Chaparral Park Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 59
    • 77

    Increasing Clouds

    • 59
    • 76

    Mostly Cloudy

    • 61
    • 74

    Mostly Cloudy

    • 59
    • 71

    Chance Rain Showers

    • 57
    • 69

    Rain Showers Likely

    • 55
    • 68

    Chance Rain Showers

Today 26 Oct Orange County Inland

Partly cloudy with a slight chance of Showers. Highs 69 to 72.

Tonight 26 Oct Orange County Inland

Mostly clear. Lows 53 to 58. Areas of Winds west to 10 Mph this evening becoming light.

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Chaparral Park Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (3.7 miles)

  • Lowest 13 October, 2026

    53.7 °F

  • Average October

    76.4 °F

  • Highest 3 October, 2026

    105.7 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    57.3 °F

  • Average 2021–2026

    66.8 °F

  • Average High 2021–2026

    77 °F
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