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

Hazardous Weather Conditions

Current conditions at

John Wayne-Orange County Airport (KSNA)

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

Overcast

63°F

17°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Jun 02:53 AM PDT
Extended Forecast for

Costa Mesa CA

  • Overnight

    Overnight: Cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 72. Light west wind increasing to 5 to 10 mph in the morning.

    High: 72 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 62. West wind 5 to 10 mph becoming light after midnight.

    Low: 62 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 72. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 72 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 61. West wind 5 to 10 mph becoming light after midnight.

    Low: 61 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Cloudy through mid morning, then gradual clearing, with a high near 71.

    High: 71 °F

    Gradual
    Clearing

  • Friday Night

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

    Low: 60 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 71.

    High: 71 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 59.

    Low: 59 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Cloudy, with a low around 63. Calm wind.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 72. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Increasing clouds, with a low around 62. West wind 5 to 10 mph becoming light after midnight.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 72. Light west wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 61. West wind 5 to 10 mph becoming light after midnight.
Juneteenth
Cloudy through mid morning, then gradual clearing, with a high near 71.
Friday Night
Increasing clouds, with a low around 60.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 71.
Saturday Night
Increasing clouds, with a low around 59.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 71.
Sunday Night
Increasing clouds, with a low around 60.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.66°N 117.94°W (Elev. 7 ft)
Last Update:
12:02 am PDT Jun 17, 2026
Forecast Valid:
3am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation