Mission Viejo Weather Forecast

    • 57
    • 77

    Patchy Fog

    • 56
    • 73

    Increasing Clouds

    • 57
    • 71

    Mostly Cloudy

    • 55
    • 73

    Mostly Cloudy

    • 56
    • 74

    Patchy Fog

    • 57
    • 77

    Mostly Sunny

    • 57
    • 81

    Patchy Fog

Today 18 May Orange County Inland

Areas of low Clouds and fog in the morning then mostly sunny. Highs around 71 towards the coast to 74 to 79 farther inland. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mission Viejo Temperature Statistics

May Temperature

John Wayne-Orange County Airport (12.4 miles)

  • Lowest 11 May, 2022

    54 °F
  • Average May

    66.2 °F
  • Highest 14 May, 2022

    87.1 °F

Climate (2010–Present)

John Wayne-Orange County Airport (12.4 miles)

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  • Average Low 2010–Present

    58.5 °F
  • Average 2010–Present

    65 °F
  • Average High 2010–Present

    73.5 °F
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