Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Clear

61°F

16°C

Humidity 77%
Wind Speed ESE 9 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Mar 02:05 AM PDT
Extended Forecast for

Costa Mesa CA

  • Overnight

    Overnight: Clear, with a low around 53. Southeast wind 5 to 10 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 51. South wind around 5 mph becoming calm  after midnight.

    Low: 51 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 69 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 53. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 70. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night
Increasing clouds, with a low around 51. South wind around 5 mph becoming calm after midnight.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
1:54 am PDT Mar 9, 2026
2am PDT Mar 9, 2026-6pm PDT Mar 15, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database