Santiago Canyon Weather Forecast

    • 64
    • 88

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 65
    • 94

    Mostly Sunny

    • 66
    • 97

    Hot

Today 27 Jul Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 83 to 88 towards the coast to 91 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 27 Jul Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows 63 to 69. Areas of Winds south 10 Mph in the evening becoming light.

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Santiago Canyon Temperature Statistics

July Temperature

John Wayne-Orange County Airport (10.6 miles)

  • Lowest 3 July, 2026

    62.7 °F

  • Average July

    73.8 °F

  • Highest 15 July, 2026

    86.6 °F

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 °F

  • Average High 2021–2026

    73.7 °F
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