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

63°F

17°C

Humidity 82%
Wind Speed E 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 04 Oct 02:05 AM PDT
Extended Forecast for

Costa Mesa CA

  • Overnight

    Overnight: Mostly clear, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. East wind 5 to 10 mph becoming west in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West wind around 5 mph becoming southeast after midnight.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. Southeast wind 5 to 10 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 60. Southeast wind around 5 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Cloudy, with a low around 60.

    Low: 60 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 73.

    High: 73 °F

    Gradual
    Clearing

  • Tuesday Night

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

    Low: 59 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Mostly clear, with a low around 60. East wind around 5 mph.
Saturday
Sunny, with a high near 75. East wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 60. West wind around 5 mph becoming southeast after midnight.
Sunday
Mostly sunny, with a high near 74. Southeast wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Increasing clouds, with a low around 60. Southeast wind around 5 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 74.
Monday Night
Cloudy, with a low around 60.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 73.
Tuesday Night
Increasing clouds, with a low around 59.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 74.
Wednesday Night
Increasing clouds, with a low around 59.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 77.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 78.
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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:
2:06 am PDT Oct 4, 2025
Forecast Valid:
2am PDT Oct 4, 2025-6pm PDT Oct 10, 2025
 
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