Costa Mesa Weather Forecast

    • 52
    • 64

    Increasing Clouds

    • 51
    • 63

    Chance Rain Showers

    • 51
    • 63

    Partly Sunny

    • 53
    • 67

    Mostly Sunny

    • 55
    • 69

    Patchy Fog

    • 54
    • 68

    Patchy Fog

Today 25 Apr Orange County Coastal

Cloudy with patchy drizzle this Morning, then partly cloudy this afternoon. Highs 62 to 65. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 25 Apr Orange County Coastal

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers overnight. Lows 48 to 53. Areas of Winds west 10 to 15 Mph. Becoming to 10 Mph overnight. Chance of measurable precipitation 20 percent.

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Costa Mesa Temperature Statistics

April Temperature

John Wayne-Orange County Airport (3.7 miles)

  • Lowest 4 April, 2025

    51.7 °F

  • Average April

    62.8 °F

  • Highest 5 April, 2025

    81.6 °F

Climate (2020–Present)

John Wayne-Orange County Airport (3.7 miles)

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  • Average Low 2020–2025

    58.8 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    73.7 °F
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