Boysen Park Weather Forecast

    • 59
    • 82

    Sunny

    • 59
    • 83

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 58
    • 80

    Patchy Fog

    • 58
    • 74

    Patchy Fog

    • 56
    • 73

    Patchy Fog

Today 17 Oct Orange County Inland

Sunny. Highs 78 to 82. Areas of Winds west to 10 Mph. Gusts to 25 Mph this morning.

Tonight 17 Oct Orange County Inland

Mostly clear. Lows 54 to 59. Light Winds.

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Boysen Park Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 15 October, 2025

    54 °F
  • Average October

    67.1 °F
  • Highest 10 October, 2025

    86 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    56.7 °F
  • Average 2020–2025

    66 °F
  • Average High 2020–2025

    76.5 °F
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