Santa Ana River Mouth Weather Forecast

    • 55
    • 64

    Chance Rain Showers

    • 54
    • 68

    Decreasing Clouds

    • 54
    • 65

    Partly Sunny

    • 53
    • 63

    Mostly Sunny

    • 55
    • 67

    Mostly Sunny

    • 57
    • 70

    Partly Sunny

    • 56
    • 69

    Partly Sunny

Today 21 Nov Orange County Coastal

Mostly cloudy with Showers likely and a slight chance of Thunderstorms this Morning, then partly cloudy with a chance of Showers this afternoon. Highs 62 to 65. Areas of Winds southeast 10 to 15 Mph. Gusts to 25 Mph this morning. Chance of measurable precipitation 60 percent.

Tonight 21 Nov Orange County Coastal

Partly cloudy this evening. Becoming mostly cloudy. A slight chance of Showers. Lows 51 to 54. Areas of Winds northeast to 10 Mph. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Ana River Mouth Temperature Statistics

November Temperature

John Wayne-Orange County Airport (6.2 miles)

  • Lowest 19 November, 2025

    48.9 °F

  • Average November

    62.9 °F

  • Highest 10 November, 2025

    78.1 °F

Climate (2020–Present)

John Wayne-Orange County Airport (6.2 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.4 °F
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