Santa Ana River Mouth Weather Forecast

    • 53
    • 67

    Partly Sunny

    • 53
    • 67

    Breezy

    • 51
    • 70

    Breezy

    • 53
    • 69

    Sunny

    • 55
    • 74

    Mostly Sunny

    • 54
    • 74

    Partly Sunny

    • 55
    • 69

    Partly Sunny

Today 3 Mar Orange County Coastal

Partly cloudy this morning. Becoming mostly sunny. Highs 67 to 72. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 3 Mar Orange County Coastal

Partly cloudy. Lows around 52. Light Winds.

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  • Temperature Real-Time

Santa Ana River Mouth Temperature Statistics

March Temperature

John Wayne-Orange County Airport (6.2 miles)

  • Lowest 1 March, 2026

    57.9 °F

  • Average March

    67.2 °F

  • Highest 1 March, 2026

    80.1 °F

Climate (2021–Present)

John Wayne-Orange County Airport (6.2 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.5 °F
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