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

Hazardous Weather Conditions

Current conditions at

FREMONT CANYON (FRCC1)

Lat: 33.81114°NLon: 117.70836°WElev: 1781.0ft.

NA

98°F

37°C

Humidity 19%
Wind Speed SSW 14 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index95°F (35°C)
Last update 04 Oct 11:51 AM PDT
Extended Forecast for

5 Miles ENE Tustin CA

Extreme Heat Warning October 4, 12:52pm until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 4, 12:52pm until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • This Afternoon

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 74. Calm wind becoming east around 5 mph after midnight.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 97. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Calm wind becoming northeast around 5 mph after midnight.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 98. Southeast wind around 10 mph becoming southwest. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 74. Calm wind becoming east around 5 mph after midnight.
Monday
Sunny, with a high near 97. East wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 72. Calm wind becoming northeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Clear, with a low around 69.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Tustin CA
 33.76°N 117.74°W (Elev. 1047 ft)
Last Update:
12:40 pm PDT Oct 4, 2026
Forecast Valid:
12pm PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation