Boysen Park Weather Forecast

    • 66
    • 86

    Increasing Clouds

    • 67
    • 88

    Becoming Sunny

    • 69
    • 92

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 68
    • 90

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

Today 29 Jul Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 81 to 84 towards the coast to 86 to 89 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 29 Jul Orange County Inland

Partly cloudy. Lows 59 to 66. Areas of Winds south 10 Mph this evening becoming light.

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Boysen Park Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 3 July, 2026

    61.6 °F

  • Average July

    77 °F

  • Highest 15 July, 2026

    92.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (6.2 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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