Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Overcast

70°F

21°C

Humidity 73%
Wind Speed ESE 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 Sep 06:05 AM PDT
Extended Forecast for

Costa Mesa CA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Southeast wind 5 to 10 mph becoming south in the afternoon.

    High: 75 °F

    Becoming
    Sunny

  • 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: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light northwest wind becoming west 5 to 10 mph in the afternoon.

    High: 74 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 65.

    Low: 65 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Southeast wind 5 to 10 mph becoming south in the afternoon.
Tonight
Increasing clouds, with a low around 63. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light northwest wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 63. West wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 76. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 78.
Saturday Night
Increasing clouds, with a low around 65.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
1:35 am PDT Sep 16, 2026
6am PDT Sep 16, 2026-6pm PDT Sep 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database