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

66°F

19°C

Humidity 77%
Wind Speed SSW 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Jun 05:20 AM PDT
Extended Forecast for

Costa Mesa CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 73 °F

    Decreasing
    Clouds

  • Tonight

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

    Low: 61 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 72 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Patchy drizzle after 11pm. Increasing clouds, with a low around 63. Southwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 63 °F

    Patchy
    Drizzle

  • Saturday

    Saturday: Patchy drizzle before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 72. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Patchy
    Drizzle then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy drizzle after 11pm. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Patchy
    Drizzle

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 71.

    High: 71 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 72.

    High: 72 °F

    Becoming
    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
Increasing clouds, with a low around 61. West wind 5 to 10 mph becoming light after midnight.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Patchy drizzle after 11pm. Increasing clouds, with a low around 63. Southwest wind 5 to 10 mph becoming southeast after midnight.
Saturday
Patchy drizzle before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 72. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Patchy drizzle after 11pm. Mostly cloudy, with a low around 60.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, then gradually becoming sunny, with a high near 72.
Monday Night
Increasing clouds, with a low around 60.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72.
Tuesday Night
Increasing clouds, with a low around 59.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
Last Update:
12:17 am PDT Jun 25, 2026
Forecast Valid:
5am PDT Jun 25, 2026-6pm PDT Jul 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation