Aliso Viejo Weather Forecast

    • 62
    • 81

    Patchy Fog

    • 62
    • 75

    Partly Sunny

    • 62
    • 73

    Mostly Cloudy

    • 61
    • 74

    Mostly Cloudy

    • 61
    • 76

    Patchy Fog

    • 61
    • 78

    Patchy Fog

Today 8 Sep Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 81 to 84 towards the coast to 85 to 88 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 8 Sep Orange County Inland

Mostly clear in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 58 to 65. Areas of Winds west 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

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Aliso Viejo Temperature Statistics

September Temperature

John Wayne-Orange County Airport (10.6 miles)

  • Lowest 5 September, 2025

    66.9 °F

  • Average September

    74.8 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

John Wayne-Orange County Airport (10.6 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    73.6 °F
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