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

80°F

27°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 26 Aug 08:53 PM PDT
Extended Forecast for

Irvine CA

Extreme Heat Warning August 26, 09:06pm until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 26, 09:06pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm after midnight.

    Low: 72 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 96 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

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

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 73. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm after midnight.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 69.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 84.
Monday Night
A slight chance of showers. Mostly clear, with a low around 65.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 85.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 68.
Wednesday
A slight chance of showers. Partly 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:
11:36 am PDT Aug 26, 2026
Forecast Valid:
9pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation