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

75°F

24°C

Humidity 83%
Wind Speed S 1 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 69°F (21°C)
Visibility NA
Last update 01 Aug 09:00 AM PDT
Extended Forecast for

Tustin CA

Extreme Heat Warning August 1, 09:21am until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 1, 09:21am until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 90 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm after midnight.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 68.

    Low: 68 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 86.

    High: 86 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 90. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm after midnight.
Monday
Partly sunny, then gradually becoming sunny, with a high near 87. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 68.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 69.
Friday
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:
1:18 am PDT Aug 1, 2026
Forecast Valid:
9am PDT Aug 1, 2026-6pm PDT Aug 7, 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