Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Mostly Cloudy

69°F

21°C

Humidity 58%
Wind Speed SSW 6 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Apr 11:53 AM PDT
Extended Forecast for

Costa Mesa CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 69. South wind 5 to 10 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 74. Northeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 74 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light and variable.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Southeast wind 5 to 10 mph becoming west in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 55.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 73.

    High: 73 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 69. South wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming southeast after midnight.
Friday
Partly sunny, then gradually becoming sunny, with a high near 74. Northeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 75. Southeast wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 54.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.66°N 117.94°W (Elev. 7 ft)
11:48 am PDT Apr 16, 2026
12pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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