Santiago Canyon Weather Forecast

    • 58
    • 81

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

    • 65
    • 83

    Chance Rain Showers

    • 66
    • 87

    Chance Rain Showers

Today 1 Sep Orange County Inland

Partly cloudy this morning. Becoming sunny. Highs 79 to 82 towards the coast to 84 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 1 Sep Orange County Inland

Clear this evening. Becoming partly cloudy. Lows 58 to 65. Areas of Winds west to 10 Mph this evening becoming light.

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Santiago Canyon Temperature Statistics

September Temperature

John Wayne-Orange County Airport (10.6 miles)

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  • Average September

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Climate (2021–2026)

John Wayne-Orange County Airport (10.6 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66.1 °F

  • Average High 2021–2026

    73.8 °F
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