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

85°F

29°C

Humidity 26%
Wind Speed W 5 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 46°F (8°C)
Visibility NA
Heat Index82°F (28°C)
Last update 13 Mar 05:53 PM PDT
Extended Forecast for

2 Miles WNW Brea CA

Extreme Heat Watch March 16, 10:00am until March 20, 08:00pm
Heat Advisory March 13, 06:10pm until March 13, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
...
  •  
    Heat Advisory March 13, 06:10pm until March 13, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. West wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 98.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Brea CA
 33.94°N 117.89°W (Elev. 787 ft)
Last Update:
12:05 pm PDT Mar 13, 2026
Forecast Valid:
6pm PDT Mar 13, 2026-6pm PDT Mar 20, 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