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

79°F

26°C

Humidity 41%
Wind Speed N 3 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 04 Oct 07:15 AM PDT
Extended Forecast for

3 Miles WNW Irvine CA

Extreme Heat Warning October 4, 07:43am until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 4, 07:43am until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Today

    High: 99 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. West wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 98. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 98 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 99. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 75. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 98. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
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:
12:28 am PDT Oct 4, 2026
Forecast Valid:
7am PDT Oct 4, 2026-6pm PDT Oct 10, 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