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.

Mostly Cloudy

66°F

19°C

Humidity 81%
Wind Speed E 6 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Nov 11:53 PM PST
Extended Forecast for

Costa Mesa CA

High Surf Advisory November 13, 04:00pm until November 15, 10:00am
Click here for hazard details and duration
High Surf Advisory

  • Overnight

    Overnight: Showers, mainly after 4am. Low around 57. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers

  • Friday

    Friday: Showers, mainly before 10am. High near 71. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 55. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 10am. Mostly sunny, with a high near 71. Southwest wind around 5 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 52. Southeast wind around 5 mph becoming northeast in the evening.

    Low: 52 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 10pm. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: Showers, mainly after 4pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Showers

  • Monday Night

    Monday Night: Showers, mainly before 4am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers

Detailed Forecast

Overnight
Showers, mainly after 4am. Low around 57. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 10am. High near 71. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 55. West wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A slight chance of showers before 10am. Mostly sunny, with a high near 71. Southwest wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
Increasing clouds, with a low around 52. Southeast wind around 5 mph becoming northeast in the evening.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 54. Chance of precipitation is 20%.
Monday
Showers, mainly after 4pm. Mostly cloudy, with a high near 70.
Monday Night
Showers, mainly before 4am. Mostly cloudy, with a low around 50.
Tuesday
A slight chance of showers before 10am. Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 68.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Thursday
A chance of showers. Partly sunny, with a high near 69.
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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:
11:38 pm PST Nov 12, 2026
Forecast Valid:
12am PST Nov 13, 2026-6pm PST Nov 19, 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