Boysen Park Weather Forecast

    • 58
    • 80

    Becoming Sunny

    • 59
    • 78

    Mostly Cloudy

    • 57
    • 76

    Rain Showers

    • 54
    • 70

    Chance Rain Showers

    • 52
    • 68

    Slight Chance Rain Showers

    • 52
    • 71

    Mostly Sunny

Today 8 Apr Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 76 to 81. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 8 Apr Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 54 to 58. Areas of Winds south 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boysen Park Temperature Statistics

April Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 3 April, 2026

    54.6 °F

  • Average April

    69.6 °F

  • Highest 4 April, 2026

    91 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    76.8 °F
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