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

70°F

21°C

Humidity 43%
Wind Speed SW 5 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Jan 03:20 PM PST
Extended Forecast for

3 Miles SE Costa Mesa CA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm.

    Low: 50 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. South wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. South wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 72.
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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:
11:07 am PST Jan 19, 2026
Forecast Valid:
3pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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