Santiago Canyon Weather Forecast

    • 62
    • 82

    Mostly Cloudy

    • 63
    • 84

    Mostly Cloudy

    • 64
    • 85

    Partly Sunny

    • 67
    • 89

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 66
    • 90

    Partly Sunny

    • 65
    • 86

    Partly Sunny

Today 11 Jul Orange County Inland

Mostly cloudy in the morning. Becoming partly cloudy. Patchy dense fog in the morning. Highs around 80 towards the coast to 82 to 86 farther inland. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 11 Jul Orange County Inland

Partly cloudy. Patchy dense fog overnight. Lows 60 to 66. Areas of Winds southwest to 10 Mph this 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

    71.2 °F

  • Highest 4 July, 2026

    80.7 °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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