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

64°F

18°C

Humidity 77%
Wind Speed WSW 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 01 Jul 09:20 PM PDT
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Increasing clouds, with a low around 63. West wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 73 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 62. West wind 5 to 10 mph becoming light southwest in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming west 5 to 10 mph in the morning.

    High: 73 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Increasing clouds, with a low around 63. West wind 5 to 10 mph becoming light and variable after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Increasing clouds, with a low around 63. West wind around 5 mph becoming calm in the evening.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 62. West wind 5 to 10 mph becoming light southwest in the evening.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming west 5 to 10 mph in the morning.
Friday Night
Increasing clouds, with a low around 63. West wind 5 to 10 mph becoming light and variable after midnight.
Independence Day
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Saturday Night
Increasing clouds, with a low around 62.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Sunday Night
Increasing clouds, with a low around 62.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 75.
Tuesday Night
Increasing clouds, with a low around 63.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
Last Update:
12:50 pm PDT Jul 1, 2026
Forecast Valid:
9pm PDT Jul 1, 2026-6pm PDT Jul 8, 2026
 
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Additional Resources

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