Hillcrest Park Weather Forecast

    • 63
    • 95

    Mostly Sunny

    • 61
    • 94

    Mostly Sunny

    • 61
    • 87

    Patchy Fog

    • 60
    • 86

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 60
    • 87

    Mostly Sunny

    • 60
    • 87

    Mostly Sunny

Today 19 Mar Orange County Inland

Mostly sunny. Highs 89 to 93 towards the coast to 94 to 97 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 19 Mar Orange County Inland

Mostly clear. Lows 59 to 66. Light Winds.

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Hillcrest Park Temperature Statistics

March Temperature

Fullerton, Fullerton Municipal Airport (3.7 miles)

  • Lowest 3 March, 2026

    51.7 °F

  • Average March

    67.2 °F

  • Highest 12 March, 2026

    93 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    76.7 °F
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