John Wayne Airport Weather Forecast

    • 65
    • 76

    Increasing Clouds

    • 64
    • 75

    Decreasing Clouds

    • 63
    • 75

    Partly Sunny

    • 65
    • 77

    Mostly Sunny

    • 65
    • 80

    Mostly Sunny

    • 65
    • 79

    Partly Sunny

    • 65
    • 77

    Mostly Sunny

Today 15 Sep Orange County Coastal

Partly cloudy. Highs around 74 at the Beaches to 77 to 81 farther inland and near higher coastal Terrain.

Tonight 15 Sep Orange County Coastal

Partly cloudy this Evening, then mostly cloudy with patchy drizzle overnight. Lows 61 to 65. Areas of Winds south 10 Mph.

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John Wayne Airport Temperature Statistics

September Temperature

John Wayne-Orange County Airport (0 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    78.3 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (0 miles)

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  • Average Low 2021–2026

    59.1 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    73.8 °F
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