Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Clear

55°F

13°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 03 Dec 11:35 PM PST
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. North wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. South wind around 5 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. South wind around 5 mph becoming east after midnight.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 71. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 49. South wind around 5 mph becoming east after midnight.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.69°N 117.92°W (Elev. 3 ft)
11:34 pm PST Dec 3, 2025
11pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database