Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Clear

75°F

24°C

Humidity 36%
Wind Speed SW 10 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 05 Apr 02:35 PM PDT
Extended Forecast for

Costa Mesa CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Southwest wind around 10 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. West wind around 5 mph becoming calm  after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 57.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 74.

    High: 74 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Southwest wind around 10 mph.
Tonight
Mostly cloudy, with a low around 57. West wind around 5 mph becoming calm after midnight.
Monday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming southeast after midnight.
Tuesday
Mostly sunny, with a high near 73. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Increasing clouds, with a low around 57.
Thursday
Mostly cloudy, with a high near 74.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A slight chance of showers. Partly sunny, with a high near 72.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
A chance of showers. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.69°N 117.92°W (Elev. 3 ft)
11:31 am PDT Apr 5, 2026
2pm PDT Apr 5, 2026-6pm PDT Apr 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database