Santiago Canyon Weather Forecast

    • 50
    • 70

    Chance Rain Showers

    • 48
    • 68

    Partly Sunny

    • 52
    • 73

    Partly Sunny

    • 53
    • 72

    Mostly Cloudy

    • 52
    • 66

    Mostly Cloudy

    • 51
    • 67

    Partly Sunny

Today 21 Apr Orange County Inland

Partly cloudy. Patchy fog in the morning. A slight chance of Showers in the afternoon. Highs 70 to 73. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 21 Apr Orange County Inland

Mostly cloudy. A chance of Showers. Lows 50 to 54. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph in the evening. Chance of measurable precipitation 30 percent.

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  • Temperature Forecast NOAA

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Santiago Canyon Temperature Statistics

April Temperature

John Wayne-Orange County Airport (10.6 miles)

  • Lowest 4 April, 2026

    55.7 °F

  • Average April

    66.7 °F

  • Highest 4 April, 2026

    86.6 °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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