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.

Partly Cloudy

77°F

25°C

Humidity 68%
Wind Speed SSW 3 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Aug 08:53 AM PDT
Extended Forecast for

Costa Mesa CA

  • Today

    Today: Sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 70. Southwest wind around 5 mph.

    Low: 70 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 5 to 10 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 68.

    Low: 68 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 67.

    Low: 67 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 70. Southwest wind around 5 mph.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 5 to 10 mph.
Sunday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 68.
Monday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 81.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 67.
Tuesday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79.
Tuesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 67.
Wednesday
Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79.
Wednesday Night
Patchy fog. Otherwise, increasing clouds, with a low around 66.
Thursday
Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.65°N 117.89°W (Elev. 3 ft)
Last Update:
2:12 am PDT Aug 22, 2025
Forecast Valid:
9am PDT Aug 22, 2025-6pm PDT Aug 28, 2025
 
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