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

82°F

28°C

Humidity 21%
Wind Speed WNW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Mar 07:35 PM PDT
Extended Forecast for

3 Miles WNW Irvine CA

Heat Advisory until March 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until March 13, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 61 °F

    Mostly Clear

  • Friday

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

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. South wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Sunday

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

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 55. South wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 89.
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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:
12:13 pm PDT Mar 12, 2026
Forecast Valid:
7pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation