Santa Ana River Mouth Weather Forecast

    • 59
    • 73

    Mostly Sunny

    • 60
    • 73

    Mostly Sunny

    • 62
    • 78

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

    • 67
    • 83

    Mostly Sunny

    • 68
    • 83

    Partly Sunny

    • 66
    • 80

    Partly Sunny

Today 3 Nov Orange County Coastal

Partly cloudy. Highs 78 to 82.

Tonight 3 Nov Orange County Coastal

Mostly clear this evening. Becoming partly cloudy. Lows 56 to 59. Areas of Winds west 10 to 15 Mph.

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  • Temperature Real-Time

Santa Ana River Mouth Temperature Statistics

November Temperature

John Wayne-Orange County Airport (6.2 miles)

  • Lowest 1 November, 2026

    61 °F

  • Average November

    64.8 °F

  • Highest 1 November, 2026

    70 °F

Climate (2021–2026)

John Wayne-Orange County Airport (6.2 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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