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

81°F

27°C

Humidity 57%
Wind Speed SW 6 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 Jul 12:00 PM PDT
Extended Forecast for

Irvine CA

Heat Advisory July 23, 12:27pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 23, 12:27pm until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 90. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 91.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Southwest wind 5 to 10 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 90. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 88.
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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:
12:22 pm PDT Jul 23, 2026
Forecast Valid:
12pm PDT Jul 23, 2026-6pm PDT Jul 29, 2026
 
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Additional Resources

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