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

Hazardous Weather Conditions

Current conditions at

FW0063 Fullerton CSU (F0063)

Lat: 33.8805°NLon: 117.88417°WElev: 243.01ft.

NA

98°F

37°C

Humidity 29%
Wind Speed NW 14 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 61°F (16°C)
Visibility NA
Heat Index98°F (37°C)
Last update 05 Oct 04:23 PM PDT
Extended Forecast for

2 Miles WSW Brea CA

Extreme Heat Warning October 5, 04:41pm until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 5, 04:41pm until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 101 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. Calm wind becoming southeast around 5 mph.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 99. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 99 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Thursday Night

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

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 75. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 73. Calm wind becoming southeast around 5 mph.
Wednesday
Sunny, with a high near 99. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 89.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 62.
Columbus Day
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Brea CA
 33.92°N 117.89°W (Elev. 361 ft)
Last Update:
12:17 pm PDT Oct 5, 2026
Forecast Valid:
4pm PDT Oct 5, 2026-6pm PDT Oct 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation