Casa Bonita Weather Forecast

    • 65
    • 77

    Increasing Clouds

    • 64
    • 77

    Partly Sunny

    • 65
    • 78

    Mostly Sunny

    • 66
    • 81

    Mostly Sunny

    • 66
    • 80

    Partly Sunny

    • 65
    • 78

    Partly Sunny

    • 66
    • 80

    Mostly Sunny

Today 16 Sep Orange County Inland

Mostly sunny. Highs around 81 towards the coast to 83 to 86 farther inland.

Tonight 16 Sep Orange County Inland

Partly cloudy this evening. Becoming mostly cloudy. Lows 56 to 65. Areas of Winds southwest 10 Mph this evening becoming light.

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  • Temperature Real-Time

Casa Bonita Temperature Statistics

September Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    78 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (4.3 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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