Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Clear

63°F

17°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 09 Dec 09:20 PM PST
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Mostly clear, with a low around 50. Calm wind becoming south around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Calm wind becoming south around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm.  Otherwise, increasing clouds, with a low around 52.

    Low: 52 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 51. Calm wind becoming south around 5 mph.
Friday
Mostly sunny, with a high near 71.
Friday Night
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 52.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
1:12 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database