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.

Partly Cloudy

88°F

31°C

Humidity 45%
Wind Speed SW 9 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 24 Aug 02:20 PM PDT
Extended Forecast for

Irvine CA

Heat Advisory August 24, 02:31pm until August 25, 10:00am
Extreme Heat Warning August 25, 10:00am until August 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 24, 02:31pm until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 92. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, sunny, with a high near 96.

    High: 96 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Southwest wind around 10 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 92. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 94. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Patchy fog before 11am. Otherwise, sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Irvine CA
 33.68°N 117.81°W (Elev. 56 ft)
Last Update:
12:47 pm PDT Aug 24, 2026
Forecast Valid:
2pm PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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