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.

Overcast

65°F

18°C

Humidity 78%
Wind Speed W 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Last update 14 Jul 11:53 PM PDT
Extended Forecast for

Costa Mesa CA

  • Overnight

    Overnight: Cloudy, with a low around 63. Southwest wind around 5 mph becoming calm.

    Low: 63 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Light south wind increasing to 5 to 10 mph in the morning.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. South wind 5 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 74.

    High: 74 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Cloudy, with a low around 63. Southwest wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 73. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 62. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 73. South wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 74.
Thursday Night
Increasing clouds, with a low around 62.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Friday Night
Increasing clouds, with a low around 62.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
Saturday Night
Increasing clouds, with a low around 63.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
Sunday Night
Increasing clouds, with a low around 63.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
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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:
7:57 pm PDT Jul 14, 2025
Forecast Valid:
12am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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Additional Resources

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Chance of Precipitation