Santa Ana River Mouth Weather Forecast

    • 59
    • 68

    Mostly Cloudy

    • 59
    • 67

    Mostly Cloudy

    • 59
    • 68

    Mostly Cloudy

    • 57
    • 68

    Partly Sunny

    • 58
    • 67

    Mostly Sunny

Today 25 May Orange County Coastal

Partly cloudy this morning. Becoming mostly sunny. Highs 66 to 71. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 30 Mph this afternoon.

Tonight 25 May Orange County Coastal

Partly cloudy this Evening, then cloudy with patchy drizzle overnight. Lows 55 to 58. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this evening.

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  • Temperature Real-Time

Santa Ana River Mouth Temperature Statistics

May Temperature

John Wayne-Orange County Airport (6.2 miles)

  • Lowest 6 May, 2026

    56.6 °F

  • Average May

    66.4 °F

  • Highest 20 May, 2026

    82.7 °F

Climate (2021–Present)

John Wayne-Orange County Airport (6.2 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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