Costa Mesa Weather Forecast

    • 47
    • 61

    Rain Showers

    • 45
    • 59

    Chance Rain Showers

    • 41
    • 59

    Rain Showers Likely

    • 43
    • 60

    Mostly Sunny

    • 47
    • 65

    Partly Sunny

    • 49
    • 67

    Chance Rain Showers

    • 51
    • 70

    Chance Rain Showers

Today 17 Feb Orange County Coastal

Partly cloudy with a chance of Showers. Highs around 59. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph. Chance of measurable precipitation 40 percent.

Tonight 17 Feb Orange County Coastal

Cloudy. A chance of Showers this Evening, then Showers with isolated Thunderstorms overnight. Lows around 48. Areas of Winds southwest 20 to 30 Mph. Gusts to 40 Mph. Becoming 45 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costa Mesa Temperature Statistics

February Temperature

John Wayne-Orange County Airport (3.7 miles)

  • Lowest 13 February, 2026

    51.1 °F

  • Average February

    63.4 °F

  • Highest 4 February, 2026

    89.7 °F

Climate (2021–Present)

John Wayne-Orange County Airport (3.7 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.5 °F
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