Santiago Canyon Weather Forecast

    • 52
    • 72

    Increasing Clouds

    • 52
    • 71

    Mostly Cloudy

    • 50
    • 67

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 49
    • 68

    Partly Sunny

    • 51
    • 71

    Mostly Sunny

Today 24 May Orange County Inland

Cloudy in the morning. Becoming partly cloudy. Highs 73 to 78. Areas of Winds west to 10 Mph becoming southwest in the afternoon.

Tonight 24 May Orange County Inland

Partly cloudy in the evening. Becoming cloudy. Lows 51 to 57. Areas of Winds west 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santiago Canyon Temperature Statistics

May Temperature

John Wayne-Orange County Airport (10.6 miles)

  • Lowest 6 May, 2026

    56.6 °F

  • Average May

    66.5 °F

  • Highest 20 May, 2026

    82.7 °F

Climate (2021–Present)

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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