Brea Weather Forecast

    • 57
    • 85

    Mostly Sunny

    • 61
    • 91

    Mostly Sunny

    • 65
    • 97

    Hot

    • 66
    • 100

    Hot

    • 64
    • 98

    Hot

    • 66
    • 100

    Hot

Today 14 Mar Orange County Inland

Partly cloudy in the morning. Becoming mostly sunny. Highs 81 to 86. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 14 Mar Orange County Inland

Mostly clear. Lows 52 to 57. Areas of Winds south 10 Mph in the evening becoming light.

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Brea Temperature Statistics

March Temperature

Fullerton, Fullerton Municipal Airport (5.6 miles)

  • Lowest 3 March, 2026

    51.7 °F

  • Average March

    65.4 °F

  • Highest 8 March, 2026

    90 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (5.6 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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