Santa Ana River Mouth Weather Forecast

    • 69
    • 76

    Increasing Clouds

    • 68
    • 75

    Partly Sunny

    • 69
    • 77

    Partly Sunny

    • 70
    • 77

    Partly Sunny

    • 70
    • 76

    Partly Sunny

    • 69
    • 76

    Partly Sunny

Today 21 Jul Orange County Coastal

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 75 to 79 at the Beaches to 80 to 85 farther inland and near higher coastal Terrain. Areas of Winds south 10 Mph.

Tonight 21 Jul Orange County Coastal

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 65 to 69. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Real-Time

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

    72.8 °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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