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.

Partly Cloudy

66°F

19°C

Humidity 83%
Wind Speed E 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 04 Sep 03:21 AM PDT
Extended Forecast for

Costa Mesa CA

High Surf Advisory September 5, 06:00am until September 8, 11:00pm
Coastal Flood Advisory September 5, 06:00am until September 8, 11:00pm
Click here for hazard details and duration
High Surf Advisory
Coastal Flood Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 77. East wind 5 to 10 mph becoming southwest in the afternoon.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 11pm. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly before 11am. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. East wind around 5 mph.
Friday
Sunny, with a high near 77. East wind 5 to 10 mph becoming southwest in the afternoon.
Friday Night
Mostly clear, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
A slight chance of showers after 11pm. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly before 11am. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 69.
Labor Day
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly 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:
1:01 am PDT Sep 4, 2026
Forecast Valid:
3am PDT Sep 4, 2026-6pm PDT Sep 10, 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