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.

Clear

24°C

75°F

Humidity 57%
Wind Speed SSW 12 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 15°C (59°F)
Visibility 13 km
Last update 20 Jul 01:20 PM PDT
Extended Forecast for

Costa Mesa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 23. Southwest wind around 15 km/h.

    High: 23 °C

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 18. South wind 5 to 10 km/h.

    Low: 18 °C

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 23. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.

    High: 23 °C

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Southwest wind 5 to 10 km/h becoming southeast after midnight.

    Low: 18 °C

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 22. South wind 5 to 10 km/h becoming west 10 to 15 km/h in the afternoon.

    High: 22 °C

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 17.

    Low: 17 °C

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 23.

    High: 23 °C

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 17.

    Low: 17 °C

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 23.

    High: 23 °C

    Decreasing
    Clouds

Detailed Forecast

This Afternoon
Sunny, with a high near 23. Southwest wind around 15 km/h.
Tonight
Increasing clouds, with a low around 18. South wind 5 to 10 km/h.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 23. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.
Monday Night
Increasing clouds, with a low around 18. Southwest wind 5 to 10 km/h becoming southeast after midnight.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 22. South wind 5 to 10 km/h becoming west 10 to 15 km/h in the afternoon.
Tuesday Night
Increasing clouds, with a low around 17.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 23.
Wednesday Night
Increasing clouds, with a low around 17.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 23.
Thursday Night
Increasing clouds, with a low around 17.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 23.
Friday Night
Increasing clouds, with a low around 17.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.66°N 117.94°W (Elev. 7 m)
Last Update:
12:26 pm PDT Jul 20, 2025
Forecast Valid:
1pm PDT Jul 20, 2025-6pm PDT Jul 26, 2025
 
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Additional Resources

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