Costa Mesa Weather Forecast

    • 55
    • 86

    Sunny

    • 53
    • 76

    Partly Sunny

    • 53
    • 67

    Mostly Cloudy

    • 53
    • 64

    Slight Chance Rain

    • 52
    • 64

    Mostly Cloudy

    • 53
    • 66

    Mostly Sunny

    • 53
    • 69

    Mostly Sunny

Today 18 Apr Orange County Coastal

Mostly sunny. Warmer. Highs 80 to 85 at the Beaches to 86 farther inland and near higher coastal Terrain. Areas of Winds northeast 15 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costa Mesa Temperature Statistics

April Temperature

John Wayne-Orange County Airport (3.7 miles)

  • Lowest 15 April, 2021

    52 °F
  • Average April

    61.8 °F
  • Highest 1 April, 2021

    90 °F

Climate (2010–Present)

John Wayne-Orange County Airport (3.7 miles)

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  • Average Low 2010–Present

    58.3 °F
  • Average 2010–Present

    64.7 °F
  • Average High 2010–Present

    73.2 °F
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