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

64°F

18°C

Humidity 83%
Wind Speed SSW 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 15 Mar 07:53 PM PDT
Extended Forecast for

3 Miles ESE Tustin CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. Calm wind becoming south around 5 mph.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. West wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind becoming southeast around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Wednesday Night

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

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Thursday Night

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

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. Calm wind becoming south around 5 mph.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Calm wind becoming southeast around 5 mph.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 86.
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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:
12:42 pm PDT Mar 15, 2026
Forecast Valid:
8pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
Forecast Discussion
 
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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