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.

Clear

63°F

17°C

Humidity 88%
Wind Speed SW 6 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 08 Nov 05:20 PM PST
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 57. South wind around 5 mph becoming calm.

    Low: 57 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. West wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 4am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 57. South wind around 5 mph becoming calm.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 60. West wind around 5 mph becoming calm.
Veterans Day
Mostly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Mostly cloudy, with a high near 72.
Wednesday Night
A slight chance of showers after 4am. Mostly cloudy, with a low around 58.
Thursday
A chance of showers, mainly after 10am. Mostly cloudy, with a high near 70.
Thursday Night
Showers likely. Mostly cloudy, with a low around 57.
Friday
A chance of showers. Mostly cloudy, with a high near 66.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Partly sunny, with a high near 65.
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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 ft)
Last Update:
1:03 pm PST Nov 8, 2025
Forecast Valid:
5pm PST Nov 8, 2025-6pm PST Nov 15, 2025
 
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Additional Resources

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Chance of Precipitation