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: 247.0ft.

NA

85°F

29°C

Humidity 53%
Wind Speed WNW 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 66°F (19°C)
Visibility NA
Heat Index87°F (31°C)
Last update 23 Aug 07:08 PM PDT
Extended Forecast for

2 Miles WNW Brea CA

Heat Advisory August 23, 07:24pm until August 23, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 23, 07:24pm until August 23, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm after midnight.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 63.

    Low: 63 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Increasing clouds, with a low around 63.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 85.
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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:
12:55 pm PDT Aug 23, 2025
Forecast Valid:
7pm PDT Aug 23, 2025-6pm PDT Aug 30, 2025
 
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