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

73°F

23°C

Humidity 83%
Wind Speed SW 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 68°F (20°C)
Visibility NA
Last update 25 Aug 02:15 AM PDT
Extended Forecast for

Tustin CA

Heat Advisory August 25, 02:32am until August 25, 10:00am
Extreme Heat Warning August 25, 10:00am until August 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 25, 02:32am until August 25, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • Overnight

    Low: 72 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 95. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 95 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 102.

    High: 102 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 77.

    Low: 77 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 103.

    High: 103 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 72. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 95. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 98. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 102.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 77.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 103.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tustin CA
 33.75°N 117.82°W (Elev. 112 ft)
Last Update:
12:03 am PDT Aug 25, 2026
Forecast Valid:
2am PDT Aug 25, 2026-6pm PDT Aug 31, 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

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Chance of Precipitation