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

77°F

25°C

Humidity 78%
Wind Speed SSW 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Aug 09:00 AM PDT
Extended Forecast for

Irvine CA

Heat Advisory August 24, 09:16am 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, 09:16am until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • Today

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog between 8am and 11am. Otherwise, sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, sunny, with a high near 97. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 97 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 99.

    High: 99 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog between 8am and 11am. Otherwise, sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 97. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 99.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 71.
Sunday
Sunny, with a high near 88.
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:
2:04 am PDT Aug 24, 2026
Forecast Valid:
9am 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