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

63°F

17°C

Humidity 77%
Wind Speed WNW 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 02 Feb 06:35 PM PST
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Patchy fog after 7pm. Otherwise, increasing clouds, with a low around 49. South wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. Northwest wind around 5 mph becoming calm.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. East wind around 5 mph becoming north in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 77.

    High: 77 °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 72.

    High: 72 °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 49. South wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 51. Northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 85. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 54. East wind around 5 mph becoming north in the evening.
Thursday
Partly sunny, with a high near 77.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 72.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Increasing clouds, with a low around 52.
Monday
A slight chance of showers. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.69°N 117.92°W (Elev. 3 ft)
Last Update:
1:38 pm PST Feb 2, 2026
Forecast Valid:
6pm PST Feb 2, 2026-6pm PST Feb 9, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation