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

64°F

18°C

Humidity 77%
Wind Speed SSW 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 01 Jan 05:05 PM PST
Extended Forecast for

Costa Mesa CA

Flood Watch January 1, 05:23pm until January 1, 10:00pm
Click here for hazard details and duration
...
  •  
    Flood Watch January 1, 05:23pm until January 1, 10:00pm

    NOW until 10:00pm Thu

    Flood Watch

  • Tonight

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. East wind around 5 mph becoming southeast in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 10pm. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 4pm. Cloudy, with a high near 65. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 10pm. Cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Heavy Rain

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. Calm wind.
Friday
Partly sunny, with a high near 68. East wind around 5 mph becoming southeast in the afternoon.
Friday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
Showers likely, mainly after 4pm. Cloudy, with a high near 65. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely, mainly before 10pm. Cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 63.
Monday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Mostly cloudy, with a high near 62.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 62.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Thursday
A slight chance of showers. Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.66°N 117.94°W (Elev. 7 ft)
Last Update:
1:03 pm PST Jan 1, 2026
Forecast Valid:
5pm PST Jan 1, 2026-6pm PST Jan 8, 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