National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

John Wayne-Orange County Airport (KSNA)

Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.

Overcast

66°F

19°C

Humidity 77%
Wind Speed SSE 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 15 Jul 03:55 AM PDT
Extended Forecast for

Costa Mesa CA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind increasing to 5 to 10 mph in the morning.

    High: 73 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind increasing to 5 to 10 mph in the morning.

    High: 73 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 63.

    Low: 63 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind increasing to 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 62.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Friday Night
Increasing clouds, with a low around 63.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Saturday Night
Increasing clouds, with a low around 63.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
Sunday Night
Increasing clouds, with a low around 63.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
Last Update:
3:47 am PDT Jul 15, 2025
Forecast Valid:
4am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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Additional Resources

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Chance of Precipitation