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

64°F

18°C

Humidity 88%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Mar 04:05 AM PDT
Extended Forecast for

3 Miles WNW Irvine CA

Heat Advisory March 20, 04:16am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 04:16am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • 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.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. West 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.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 83.
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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:
12:53 am PDT Mar 20, 2026
Forecast Valid:
4am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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