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

84°F

29°C

Humidity 32%
Wind Speed SSW 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Mar 06:05 PM PDT
Extended Forecast for

3 Miles WNW Irvine CA

Heat Advisory March 17, 06:15pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 06:15pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
Partly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
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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:
11:07 am PDT Mar 17, 2026
Forecast Valid:
6pm PDT Mar 17, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation