Santa Ana River Mouth (Inside) Weather Forecast

    • 46
    • 59

    Chance Rain Showers

    • 46
    • 59

    Increasing Clouds

    • 46
    • 59

    Partly Sunny

    • 44
    • 58

    Partly Sunny

    • 46
    • 60

    Mostly Sunny

    • 49
    • 62

    Mostly Sunny

    • 50
    • 65

    Partly Sunny

Today 27 Jan Orange County Coastal

Partly cloudy with a chance of Showers. Highs around 57. Areas of Winds east to 10 Mph becoming southwest 10 Mph this afternoon. Chance of measurable precipitation 50 percent.

Tonight 27 Jan Orange County Coastal

Partly cloudy. A slight chance of Showers this evening. Lows around 43. Areas of Winds west to 10 Mph becoming southeast 10 Mph overnight. Chance of measurable precipitation 20 percent.

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Santa Ana River Mouth (Inside) Temperature Statistics

January Temperature

John Wayne-Orange County Airport (5.6 miles)

  • Lowest 16 January, 2025

    44.7 °F

  • Average January

    59.9 °F

  • Highest 22 January, 2025

    86.6 °F

Climate (2020–Present)

John Wayne-Orange County Airport (5.6 miles)

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  • Average Low 2020–2025

    58.9 °F

  • Average 2020–2025

    65.8 °F

  • Average High 2020–2025

    73.8 °F
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