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

70°F

21°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Mar 11:05 PM PDT
Extended Forecast for

3 Miles WNW Irvine CA

Heat Advisory March 18, 11:18pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 11:18pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59.

    Low: 59 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 61. South wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 85. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 85.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 60.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Irvine CA
 33.67°N 117.86°W (Elev. 3 ft)
Last Update:
10:02 pm PDT Mar 18, 2026
Forecast Valid:
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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