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

70°F

21°C

Humidity 88%
Wind Speed SSE 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Last update 01 Aug 07:35 AM PDT
Extended Forecast for

Costa Mesa CA

Heat Advisory August 1, 07:58am until August 2, 08:00pm
High Surf Advisory August 1, 07:58am until August 1, 05:00pm
Click here for hazard details and duration
Heat Advisory
High Surf Advisory
  •  
    Heat Advisory August 1, 07:58am until August 2, 08:00pm
    High Surf Advisory August 1, 07:58am until August 1, 05:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 68. Southwest wind around 5 mph becoming calm after midnight.

    Low: 68 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 67.

    Low: 67 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81.

    High: 81 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Increasing clouds, with a low around 68. Southwest wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 81. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 67.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.67°N 117.92°W (Elev. 3 ft)
Last Update:
1:18 am PDT Aug 1, 2026
Forecast Valid:
7am PDT Aug 1, 2026-6pm PDT Aug 7, 2026
 
Forecast Discussion
 
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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