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

68°F

20°C

Humidity 52%
Wind Speed SSW 12 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 28 Nov 01:35 PM PST
Extended Forecast for

Costa Mesa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southwest wind around 5 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph.

    Low: 51 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 66 °F

    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: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southwest wind around 5 mph.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Calm wind becoming east around 5 mph.
Saturday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Sunday
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
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 52.
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 65.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50.
Thursday
A slight chance of showers. Mostly sunny, with a high near 67.
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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:
12:20 pm PST Nov 28, 2025
Forecast Valid:
1pm PST Nov 28, 2025-6pm PST Dec 4, 2025
 
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Additional Resources

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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