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

91°F

33°C

Humidity 48%
Wind Speed SE 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 69°F (21°C)
Visibility NA
Heat Index96°F (36°C)
Last update 08 Aug 03:00 PM PDT
Extended Forecast for

Tustin CA

Heat Advisory until August 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 9, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 89 °F

    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 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 85.

    High: 85 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Southwest wind around 10 mph.
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 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Increasing clouds, with a low around 68.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 82.
Thursday Night
Increasing clouds, with a low around 67.
Friday
Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 83.
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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:
12:01 pm PDT Aug 8, 2026
Forecast Valid:
3pm PDT Aug 8, 2026-6pm PDT Aug 15, 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