Costa Mesa Weather Forecast

    • 54
    • 66

    Mostly Cloudy

    • 53
    • 68

    Partly Sunny

    • 55
    • 71

    Patchy Fog

    • 54
    • 67

    Patchy Fog

    • 53
    • 64

    Patchy Fog

    • 52
    • 64

    Mostly Cloudy

Today 19 Apr Orange County Coastal

Mostly cloudy this morning. Becoming partly cloudy. Highs around 65 at the Beaches to 66 to 69 farther inland and near higher coastal Terrain. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 19 Apr Orange County Coastal

Partly cloudy in the evening. Becoming mostly cloudy. Lows 51 to 54. Areas of Winds west 10 Mph in the evening becoming light.

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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 6 April, 2024

    46.7 °F

  • Average April

    60.5 °F

  • Highest 9 April, 2024

    83.6 °F

Climate (2019–Present)

John Wayne-Orange County Airport (3.7 miles)

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  • Average Low 2019–2024

    58.9 °F

  • Average 2019–2024

    65.6 °F

  • Average High 2019–2024

    73.7 °F
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