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

59°F

15°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 09 Feb 12:53 AM PST
Extended Forecast for

Costa Mesa CA

  • Overnight

    Overnight: Mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53. Calm wind becoming south around 5 mph after midnight.

    Low: 53 °F

    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers after 4pm. Mostly cloudy, with a high near 67. South wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 10pm. Cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53. Calm wind becoming south around 5 mph after midnight.
Tuesday
A chance of showers after 4pm. Mostly cloudy, with a high near 67. South wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, mainly after 10pm. Cloudy, with a low around 54. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 65. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 49.
Saturday
Partly sunny, with a high near 68.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 49.
Sunday
Showers likely. Mostly cloudy, with a high near 64.
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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:
12:39 am PST Feb 9, 2026
Forecast Valid:
1am PST Feb 9, 2026-6pm PST Feb 15, 2026
 
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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