Brea Weather Forecast

    • 68
    • 90

    Becoming Sunny

    • 70
    • 96

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 68
    • 94

    Mostly Sunny

    • 68
    • 92

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

Today 22 Jul Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 83 to 88 towards the coast to 90 farther inland. Areas of Winds west to 10 Mph.

Tonight 22 Jul Orange County Inland

Mostly clear. Lows 64 to 69. Areas of Winds southwest 10 Mph this evening becoming light.

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Brea Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (5.6 miles)

  • Lowest 3 July, 2026

    61.6 °F

  • Average July

    76 °F

  • Highest 15 July, 2026

    92.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (5.6 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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