Costa Mesa Weather Forecast

    • 49
    • 65

    Mostly Cloudy

    • 50
    • 65

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 56
    • 75

    Mostly Cloudy

    • 56
    • 73

    Mostly Cloudy

    • 54
    • 71

    Partly Sunny

    • 56
    • 72

    Partly Sunny

Today 28 Mar Orange County Coastal

Partly cloudy. Highs 60 to 65. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costa Mesa Temperature Statistics

March Temperature

Santa Ana, John Wayne Airport-Orange County Airport (3.7 miles)

  • Lowest 18 March, 2020

    50 °F
  • Average March

    61.2 °F
  • Highest 3 March, 2020

    80.1 °F

Climate (2010–Present)

Santa Ana, John Wayne Airport-Orange County Airport (3.7 miles)

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  • Average Low 2010–Present

    58.4 °F
  • Average 2010–Present

    64.7 °F
  • Average High 2010–Present

    73.1 °F
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