Santiago Canyon Weather Forecast

    • 53
    • 68

    Rain Showers Likely

    • 51
    • 66

    Rain Showers Likely

    • 51
    • 71

    Mostly Sunny

    • 56
    • 76

    Sunny

    • 62
    • 84

    Sunny

    • 65
    • 88

    Sunny

Today 11 Oct Orange County Inland

Mostly sunny. Highs around 90.

Tonight 11 Oct Orange County Inland

Mostly cloudy with Showers. Cooler. Lows 53 to 61. Areas of Winds southwest 10 Mph.

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Santiago Canyon Temperature Statistics

October Temperature

John Wayne-Orange County Airport (10.6 miles)

  • Lowest 1 October, 2026

    67.6 °F

  • Average October

    82.5 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

John Wayne-Orange County Airport (10.6 miles)

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  • Average Low 2021–2026

    59.1 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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