Santiago Canyon Weather Forecast

    • 54
    • 72

    Patchy Fog

    • 52
    • 71

    Partly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

Today 12 May Orange County Inland

Patchy fog in the morning. Partly cloudy. Highs 72 to 76. Areas of Winds southwest to 10 Mph becoming south with Gusts to 25 Mph in the afternoon.

Tonight 12 May Orange County Inland

Partly cloudy in the evening. Becoming cloudy overnight with patchy fog. Lows 53 to 58. Areas of Winds south 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

    65 °F

  • Highest 1 May, 2026

    72.6 °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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