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.

Mostly Cloudy

88°F

31°C

Humidity 55%
Wind Speed SW 10 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 28 Aug 01:00 PM PDT
Extended Forecast for

Irvine CA

Extreme Heat Warning August 28, 01:17pm until August 29, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 28, 01:17pm until August 29, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. South wind around 5 mph.
Sunday
Sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 67.
Tuesday
A slight chance of showers after 11am. Mostly sunny, with a high near 85.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 68.
Wednesday
A slight chance of showers. Partly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Irvine CA
 33.68°N 117.81°W (Elev. 56 ft)
Last Update:
12:09 pm PDT Aug 28, 2026
Forecast Valid:
1pm PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation