Placentia Weather Forecast

    • 61
    • 95

    Mostly Sunny

    • 59
    • 93

    Partly Sunny

    • 57
    • 87

    Partly Sunny

    • 57
    • 88

    Partly Sunny

    • 59
    • 94

    Mostly Sunny

    • 60
    • 96

    Mostly Sunny

Today 12 Mar Orange County Inland

Mostly sunny. Warmer. Highs 91 to 96. Areas of Winds northeast 10 to 15 Mph with Gusts to 25 Mph becoming west this afternoon.

Tonight 12 Mar Orange County Inland

Mostly clear. Lows 59 to 65. Areas of Winds west to 10 Mph becoming east overnight.

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Placentia Temperature Statistics

March Temperature

Fullerton, Fullerton Municipal Airport (6.2 miles)

  • Lowest 3 March, 2026

    51.7 °F

  • Average March

    66 °F

  • Highest 8 March, 2026

    90 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    76.6 °F
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