Lake Mission Viejo Weather Forecast

    • 67
    • 93

    Sunny

    • 64
    • 92

    Sunny

    • 61
    • 85

    Partly Sunny

    • 60
    • 85

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

Today 19 Mar Orange County Inland

Mostly sunny. Highs 89 to 93 towards the coast to 94 to 97 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 19 Mar Orange County Inland

Mostly clear. Lows 59 to 66. Light Winds.

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  • Temperature Real-Time

Lake Mission Viejo Temperature Statistics

March Temperature

John Wayne-Orange County Airport (13 miles)

  • Lowest 6 March, 2026

    52 °F

  • Average March

    66.5 °F

  • Highest 12 March, 2026

    91 °F

Climate (2021–Present)

John Wayne-Orange County Airport (13 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.6 °F
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