Santiago Canyon Weather Forecast

    • 50
    • 63

    Chance Rain

    • 53
    • 65

    Mostly Cloudy

    • 50
    • 69

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

Today 27 May Orange County Inland

Mostly cloudy with a chance of rain this Morning, then partly cloudy this afternoon. Highs around 67 towards the coast to 64 to 67 farther inland. Areas of Winds south 10 to 15 Mph with Gusts to 25 Mph. Chance of measurable precipitation 40 percent.

Tonight 27 May Orange County Inland

Partly cloudy in the evening. Becoming mostly cloudy. Lows 50 to 58. Areas of Winds southwest 10 to 15 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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