National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

FW0058 Santa Ana Fire (F0058)

Lat: 33.74333°NLon: 117.86783°WElev: 108.14ft.

NA

63°F

17°C

Humidity 83%
Wind Speed NNW 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 20 Mar 06:46 AM PDT
Extended Forecast for

Tustin CA

Heat Advisory March 20, 07:08am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 07:08am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm.
Saturday
Patchy fog between 8am and 11am. Otherwise, mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tustin CA
 33.73°N 117.82°W (Elev. 92 ft)
Last Update:
12:53 am PDT Mar 20, 2026
Forecast Valid:
7am PDT Mar 20, 2026-6pm PDT Mar 26, 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