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

55°F

13°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 16 Jan 01:35 AM PST
Extended Forecast for

Costa Mesa CA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 51. South wind around 5 mph becoming calm.

    Low: 51 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 52. Calm wind becoming southwest around 5 mph.

    Low: 52 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 52. North wind around 5 mph becoming calm.

    Low: 52 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

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

    Low: 53 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 51. South wind around 5 mph becoming calm.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 52. Calm wind becoming southwest around 5 mph.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 52. North wind around 5 mph becoming calm.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 53.
M.L.King Day
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Thursday
Patchy fog. Otherwise, partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Costa Mesa CA
 33.69°N 117.92°W (Elev. 3 ft)
Last Update:
12:50 am PST Jan 16, 2026
Forecast Valid:
1am PST Jan 16, 2026-6pm PST Jan 22, 2026
 
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Additional Resources

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