Santa Ana River Mouth Weather Forecast

    • 68
    • 76

    Decreasing Clouds

    • 67
    • 76

    Partly Sunny

    • 68
    • 77

    Partly Sunny

    • 70
    • 77

    Mostly Sunny

    • 70
    • 78

    Mostly Sunny

    • 69
    • 78

    Partly Sunny

Today 28 Jul Orange County Coastal

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 75 to 78 at the Beaches to 80 to 85 farther inland and near higher coastal Terrain. Areas of Winds south to 10 Mph.

Tonight 28 Jul Orange County Coastal

Partly cloudy. Patchy fog overnight. Lows 64 to 68. Areas of Winds southwest 10 Mph in the evening becoming light.

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Santa Ana River Mouth Temperature Statistics

July Temperature

John Wayne-Orange County Airport (6.2 miles)

  • Lowest 3 July, 2026

    62.7 °F

  • Average July

    73.8 °F

  • Highest 15 July, 2026

    86.6 °F

Climate (2021–2026)

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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