Lake Mission Viejo Weather Forecast

    • 59
    • 78

    Increasing Clouds

    • 59
    • 80

    Partly Sunny

    • 59
    • 81

    Patchy Fog

    • 59
    • 79

    Partly Sunny

    • 58
    • 77

    Partly Sunny

    • 60
    • 80

    Patchy Fog

Today 22 Jul Orange County Inland

Mostly cloudy with patchy drizzle this Morning, then sunny this afternoon. Highs 75 to 78. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 22 Jul Orange County Inland

Mostly clear in the evening. Becoming mostly cloudy. Lows 55 to 63. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Mission Viejo Temperature Statistics

July Temperature

John Wayne-Orange County Airport (13 miles)

  • Lowest 2 July, 2025

    61.6 °F

  • Average July

    70.9 °F

  • Highest 8 July, 2025

    80.7 °F

Climate (2020–Present)

John Wayne-Orange County Airport (13 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    73.6 °F
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