National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

John Wayne-Orange County Airport (KSNA)

Lat: 33.6798°NLon: 117.8674°WElev: 39.0ft.

Clear

73°F

23°C

Humidity 53%
Wind Speed SSW 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Mar 03:35 PM PDT
Extended Forecast for

3 Miles SE Costa Mesa CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 54. South wind 5 to 10 mph.

    Low: 54 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. West wind 5 to 10 mph becoming south after midnight.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 54. South wind 5 to 10 mph.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 58. West wind 5 to 10 mph becoming south after midnight.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 79.
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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:
12:42 pm PDT Mar 15, 2026
Forecast Valid:
3pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation