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.

Mostly Cloudy

20°C

68°F

Humidity 77%
Wind Speed WSW 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 16°C (61°F)
Visibility 13 km
Last update 12 Jul 10:30 PM PDT
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Increasing clouds, with a low around 17. West wind 5 to 10 km/h.

    Low: 17 °C

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 23. West wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.

    High: 23 °C

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 17. West wind 5 to 15 km/h.

    Low: 17 °C

    Increasing
    Clouds

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 23. Light southwest wind increasing to 10 to 15 km/h in the morning.

    High: 23 °C

    Gradual
    Clearing

  • Monday Night

    Monday Night: Increasing clouds, with a low around 17. Southwest wind 5 to 10 km/h becoming calm in the evening.

    Low: 17 °C

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 23.

    High: 23 °C

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 16.

    Low: 16 °C

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 22.

    High: 22 °C

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 16.

    Low: 16 °C

    Increasing
    Clouds

Detailed Forecast

Tonight
Increasing clouds, with a low around 17. West wind 5 to 10 km/h.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 23. West wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.
Sunday Night
Increasing clouds, with a low around 17. West wind 5 to 15 km/h.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 23. Light southwest wind increasing to 10 to 15 km/h in the morning.
Monday Night
Increasing clouds, with a low around 17. Southwest wind 5 to 10 km/h becoming calm in the evening.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 23.
Tuesday Night
Increasing clouds, with a low around 16.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 22.
Wednesday Night
Increasing clouds, with a low around 16.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 24.
Friday Night
Increasing clouds, with a low around 17.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 m)
Last Update:
1:08 pm PDT Jul 12, 2025
Forecast Valid:
10pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
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Additional Resources

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