Aliso Viejo Weather Forecast

    • 51
    • 69

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 54
    • 72

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 53
    • 74

    Partly Sunny

    • 53
    • 69

    Partly Sunny

Today 15 Dec Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Local visibility one quarter mile or less at Times this morning. Warmer. Highs around 71 towards the coast to 73 to 77 farther inland. Light Winds.

Tonight 15 Dec Orange County Inland

Partly cloudy. Patchy fog overnight. Lows 49 to 54. Light Winds.

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Aliso Viejo Temperature Statistics

December Temperature

John Wayne-Orange County Airport (10.6 miles)

  • Lowest 6 December, 2025

    48 °F

  • Average December

    60.4 °F

  • Highest 9 December, 2025

    82 °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

    65.6 °F

  • Average High 2020–2025

    73.4 °F
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