National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Clear

61°F

16°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 25 Mar 11:20 PM PDT
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 57. South wind around 5 mph becoming calm.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. West wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 57. South wind around 5 mph becoming calm.
Thursday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56. West wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 57.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly cloudy, with a high near 73.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 55.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.69°N 117.92°W (Elev. 3 ft)
Last Update:
11:21 pm PDT Mar 25, 2026
Forecast Valid:
11pm PDT Mar 25, 2026-6pm PDT Apr 1, 2026
 
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