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

64°F

18°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 18 Jun 04:00 AM PDT
Extended Forecast for

3 Miles ESE Tustin CA

Heat Advisory June 18, 04:26am until June 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 18, 04:26am until June 18, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 77.

    High: 77 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming southeast after midnight.
Juneteenth
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 62.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 77.
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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:
1:57 pm PDT Jun 17, 2025
Forecast Valid:
4am PDT Jun 18, 2025-6pm PDT Jun 24, 2025
 
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