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.

Mist

61°F

16°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 30 Mar 02:20 AM PDT
Extended Forecast for

3 Miles SE Costa Mesa CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 56. South wind around 5 mph.

    Low: 56 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph.

    High: 72 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 55.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 71.

    High: 71 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 56. South wind around 5 mph.
Monday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 57. South wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 72. Southeast wind 5 to 10 mph.
Tuesday Night
A chance of showers, mainly after 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 56. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Increasing clouds, with a low around 55.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Costa Mesa CA
 33.65°N 117.89°W (Elev. 3 ft)
Last Update:
12:05 am PDT Mar 30, 2026
Forecast Valid:
2am PDT Mar 30, 2026-6pm PDT Apr 5, 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