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

82°F

28°C

Humidity 53%
Wind Speed W 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 63°F (17°C)
Visibility NA
Heat Index83°F (28°C)
Last update 16 Jun 05:53 PM PDT
Extended Forecast for

Brea CA

Heat Advisory until June 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 17, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Tonight

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62. Southwest wind 5 to 10 mph becoming light after midnight.

    Low: 62 °F

    Patchy Fog

  • Juneteenth

    Juneteenth: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62.

    Low: 62 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Southwest wind 5 to 10 mph becoming light south in the evening.
Tuesday
Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light south in the evening.
Wednesday
Sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62. Southwest wind 5 to 10 mph becoming light after midnight.
Juneteenth
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83.
Thursday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62.
Friday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 61.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 78.
Saturday Night
Increasing clouds, with a low around 59.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 79.
Sunday Night
Increasing clouds, with a low around 60.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brea CA
 33.93°N 117.86°W (Elev. 659 ft)
Last Update:
12:59 pm PDT Jun 16, 2025
Forecast Valid:
6pm PDT Jun 16, 2025-6pm PDT Jun 23, 2025
 
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