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

FW0063 Fullerton CSU (F0063)

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

NA

79°F

26°C

Humidity 32%
Wind Speed WNW 8 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 47°F (8°C)
Visibility NA
Heat Index79°F (26°C)
Last update 23 Feb 03:24 PM PST
Extended Forecast for

Brea CA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. South wind around 5 mph becoming calm.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 57. South wind around 5 mph becoming calm.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 60.

    Low: 60 °F

    Patchy Fog

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. South wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 57. South wind around 5 mph becoming calm.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 84.
Friday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 60.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 81.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 57.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 76.
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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:
12:12 pm PST Feb 23, 2026
Forecast Valid:
3pm PST Feb 23, 2026-6pm PST Mar 2, 2026
 
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Additional Resources

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