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 16%
Wind Speed WSW 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Mar 03:20 PM PDT
Extended Forecast for

3 Miles ESE Tustin CA

Extreme Heat Watch March 16, 10:00am until March 20, 08:00pm
Heat Advisory March 13, 03:33pm until March 13, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
...
  •  
    Heat Advisory March 13, 03:33pm until March 13, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. South wind around 5 mph becoming calm after midnight.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. South wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Tustin CA
 33.71°N 117.76°W (Elev. 194 ft)
Last Update:
12:05 pm PDT Mar 13, 2026
Forecast Valid:
3pm PDT Mar 13, 2026-6pm PDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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