Santa Ana River Mouth Weather Forecast

    • 55
    • 63

    Chance Rain Showers

    • 55
    • 68

    Mostly Sunny

    • 56
    • 68

    Mostly Cloudy

    • 56
    • 68

    Partly Sunny

    • 55
    • 72

    Mostly Sunny

    • 57
    • 74

    Mostly Sunny

Today 13 Apr Orange County Coastal

Partly cloudy with a chance of Showers this Morning, then mostly sunny with a slight chance of Showers this afternoon. Highs 62 to 66. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph. Chance of measurable precipitation 50 percent.

Tonight 13 Apr Orange County Coastal

Mostly clear. Lows 51 to 54. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph becoming southeast 10 to 15 Mph with Gusts to 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Ana River Mouth Temperature Statistics

April Temperature

John Wayne-Orange County Airport (6.2 miles)

  • Lowest 4 April, 2026

    55.7 °F

  • Average April

    68 °F

  • Highest 4 April, 2026

    86.6 °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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