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

70°F

21°C

Humidity 56%
Wind Speed SSW 12 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Jun 03:00 PM PDT
Extended Forecast for

Costa Mesa CA

  • Tonight

    Tonight: Partly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 73.

    High: 73 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 60.

    Low: 60 °F

    Increasing
    Clouds

  • Wednesday

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

    High: 74 °F

    Decreasing
    Clouds

  • Wednesday Night

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

    Low: 62 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 59. South wind 5 to 10 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 73.
Tuesday Night
Increasing clouds, with a low around 60.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Wednesday Night
Increasing clouds, with a low around 62.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
Thursday Night
Increasing clouds, with a low around 62.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Friday Night
Increasing clouds, with a low around 62.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.65°N 117.89°W (Elev. 3 ft)
Last Update:
1:10 pm PDT Jun 21, 2025
Forecast Valid:
3pm PDT Jun 21, 2025-6pm PDT Jun 28, 2025
 
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Additional Resources

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