Santiago Canyon Weather Forecast

    • 62
    • 91

    Mostly Sunny

    • 59
    • 85

    Partly Sunny

    • 59
    • 82

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 60
    • 86

    Sunny

    • 59
    • 86

    Mostly Sunny

Today 20 Mar Orange County Inland

Mostly sunny. Highs 86 to 90 towards the coast to 93 to 96 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 20 Mar Orange County Inland

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 58 to 62. Areas of Winds southwest to 10 Mph this evening becoming light.

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Santiago Canyon Temperature Statistics

March Temperature

John Wayne-Orange County Airport (10.6 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    68 °F

  • Highest 12 March, 2026

    93.7 °F

Climate (2021–Present)

John Wayne-Orange County Airport (10.6 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.9 °F

  • Average High 2021–2026

    73.6 °F
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