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.

Partly Cloudy

71°F

22°C

Humidity 63%
Wind Speed SW 8 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 23 Mar 03:53 PM PDT
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.

    Low: 56 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly cloudy, with a high near 81.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.69°N 117.92°W (Elev. 3 ft)
Last Update:
11:42 am PDT Mar 23, 2026
Forecast Valid:
4pm PDT Mar 23, 2026-6pm PDT Mar 30, 2026
 
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