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

55°F

13°C

Humidity 66%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 28 Nov 08:35 AM PST
Extended Forecast for

Costa Mesa CA

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. Calm wind becoming south around 5 mph.

    Low: 52 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 51. South wind around 5 mph becoming calm.

    Low: 51 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. Calm wind becoming south around 5 mph.
Saturday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 51. South wind around 5 mph becoming calm.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 51.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Increasing clouds, with a low around 53.
Wednesday
A slight chance of showers. Partly sunny, with a high near 64.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.64°N 117.91°W (Elev. 13 ft)
Last Update:
2:28 am PST Nov 28, 2025
Forecast Valid:
8am PST Nov 28, 2025-6pm PST Dec 4, 2025
 
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Additional Resources

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Chance of Precipitation