Mission Viejo Weather Forecast

    • 63
    • 87

    Increasing Clouds

    • 62
    • 82

    Increasing Clouds

    • 62
    • 81

    Patchy Fog

    • 63
    • 81

    Patchy Fog

    • 63
    • 82

    Patchy Fog

    • 65
    • 84

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

Today 5 Aug Orange County Inland

Partly cloudy in the morning. Becoming sunny. Highs 80 to 85 towards the coast to 87 to 92 farther inland. Light Winds.

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  • Temperature Forecast NOAA

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Mission Viejo Temperature Statistics

August Temperature

John Wayne-Orange County Airport (12.4 miles)

  • Lowest 1 August, 2021

    64.9 °F
  • Average August

    73.9 °F
  • Highest 2 August, 2021

    88 °F

Climate (2010–Present)

John Wayne-Orange County Airport (12.4 miles)

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  • Average Low 2010–Present

    58.7 °F
  • Average 2010–Present

    65 °F
  • Average High 2010–Present

    73.4 °F
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