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

61°F

16°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Mar 03:20 AM 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

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 88. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Calm wind becoming southeast around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 57. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 88. Light west wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Calm wind becoming southeast around 5 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 92.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 88.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 60.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 84.
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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:
2:08 am PDT Mar 16, 2026
Forecast Valid:
3am PDT Mar 16, 2026-6pm PDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation