Boysen Park Weather Forecast

    • 56
    • 74

    Increasing Clouds

    • 57
    • 76

    Mostly Sunny

    • 57
    • 75

    Partly Sunny

    • 57
    • 75

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

Today 13 May Orange County Inland

Mostly cloudy this morning. Becoming mostly sunny. Patchy fog this morning. Highs 71 to 75. Areas of Winds south to 10 Mph.

Tonight 13 May Orange County Inland

Mostly clear in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 51 to 56. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Boysen Park Temperature Statistics

May Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 6 May, 2026

    55.7 °F

  • Average May

    67 °F

  • Highest 11 May, 2026

    84 °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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