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

85°F

29°C

Humidity 60%
Wind Speed W 4 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 70°F (21°C)
Visibility NA
Heat Index89°F (32°C)
Last update 09 Aug 12:16 PM PDT
Extended Forecast for

Tustin CA

Heat Advisory August 9, 12:44pm until August 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 9, 12:44pm until August 9, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Sunny

  • Tonight

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

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 85 °F

    Decreasing
    Clouds

  • Tuesday Night

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

    Low: 68 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 83.

    High: 83 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 67.

    Low: 67 °F

    Increasing
    Clouds

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 68.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 83.
Wednesday Night
Increasing clouds, with a low around 67.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 81.
Thursday Night
Increasing clouds, with a low around 67.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly 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:
12:20 pm PDT Aug 9, 2026
Forecast Valid:
12pm PDT Aug 9, 2026-6pm PDT Aug 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation