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 72%
Wind Speed SW 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 02 Feb 05:20 PM PST
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Patchy fog after 7pm. Otherwise, increasing clouds, with a low around 50. South wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. East wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 7pm. Otherwise, increasing clouds, with a low around 50. South wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. Calm wind becoming north around 5 mph after midnight.
Wednesday
Sunny, with a high near 82. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. East wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Increasing clouds, with a low around 52.
Monday
A slight chance of showers. Partly sunny, with a high near 70.
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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:
1:38 pm PST Feb 2, 2026
Forecast Valid:
5pm PST Feb 2, 2026-6pm PST Feb 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation