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

80°F

27°C

Humidity 69%
Wind Speed S 4 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 07 Oct 06:53 PM PDT
Extended Forecast for

Irvine CA

Extreme Heat Warning October 7, 07:05pm until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 7, 07:05pm until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 11pm. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 91. Light west wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A chance of showers after 11pm. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 76.
Sunday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 61.
Columbus Day
Showers likely, mainly before 11am. Partly sunny, with a high near 73.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58.
Tuesday
A chance of showers. Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 78.
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:
2:00 pm PDT Oct 7, 2026
Forecast Valid:
7pm PDT Oct 7, 2026-6pm PDT Oct 14, 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