National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Clear

70°F

21°C

Humidity 88%
Wind Speed NNW 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Last update 09 Oct 07:15 AM PDT
Extended Forecast for

Costa Mesa CA

Coastal Flood Advisory October 9, 07:38am until October 13, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 9, 07:38am until October 13, 02:00pm

    NOW until 2:00pm Tue

    Coastal Flood Advisory

  • Today

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 66. West wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers after 11pm. Mostly cloudy, with a low around 65. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely, mainly before 11am. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 66. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
A chance of showers after 11pm. Mostly cloudy, with a low around 65. West wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers. Partly sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Columbus Day
Showers likely, mainly before 11am. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
Last Update:
12:22 am PDT Oct 9, 2026
Forecast Valid:
7am PDT Oct 9, 2026-6pm PDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation