Cowan Heights Weather Forecast

    • 58
    • 71

    Decreasing Clouds

    • 59
    • 73

    Partly Sunny

    • 58
    • 73

    Mostly Cloudy

    • 56
    • 73

    Partly Sunny

    • 58
    • 75

    Partly Sunny

    • 59
    • 77

    Partly Sunny

Today 28 Jun Orange County Inland

Cloudy this morning. Becoming mostly sunny. Highs 73 to 78. Areas of Winds south 10 to 15 Mph. Gusts to 25 Mph this afternoon.

Tonight 28 Jun Orange County Inland

Partly cloudy in the Evening, then cloudy with patchy drizzle overnight. Lows 55 to 63. Areas of Winds south 10 Mph.

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Cowan Heights Temperature Statistics

June Temperature

John Wayne-Orange County Airport (8.1 miles)

  • Lowest 21 June, 2026

    60.7 °F

  • Average June

    69.2 °F

  • Highest 12 June, 2026

    82.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (8.1 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66 °F

  • Average High 2021–2026

    73.7 °F
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