Orange Weather Forecast

    • 64
    • 79

    Increasing Clouds

    • 66
    • 82

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 69
    • 87

    Mostly Sunny

    • 70
    • 89

    Partly Sunny

    • 68
    • 89

    Partly Sunny

    • 66
    • 85

    Mostly Sunny

Today 21 Sep Orange County Inland

Partly cloudy in the morning. Becoming mostly sunny. Highs 82 to 85.

Tonight 21 Sep Orange County Inland

Partly cloudy. Lows 57 to 64. Areas of Winds southwest to 10 Mph this evening becoming light.

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Orange Temperature Statistics

September Temperature

John Wayne-Orange County Airport (7.5 miles)

  • Lowest 19 September, 2026

    64.9 °F

  • Average September

    76.9 °F

  • Highest 9 September, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (7.5 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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