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

75°F

24°C

Humidity 65%
Wind Speed W 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 62°F (17°C)
Visibility NA
Last update 12 Nov 02:38 PM PST
Extended Forecast for

Brea CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. Southwest wind around 10 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Increasing clouds, with a low around 60. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 70. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly between 10pm and 4am. Low around 58. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Showers

  • Saturday

    Saturday: A chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 10pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 68.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Southwest wind around 10 mph.
Tonight
Showers likely, mainly after 4am. Increasing clouds, with a low around 60. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 70. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly between 10pm and 4am. Low around 58. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 55.
Monday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 68.
Monday Night
Showers, mainly before 4am. Mostly cloudy, with a low around 53.
Tuesday
A chance of showers. Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brea CA
 33.92°N 117.89°W (Elev. 361 ft)
Last Update:
12:28 pm PST Nov 12, 2026
Forecast Valid:
2pm PST Nov 12, 2026-6pm PST Nov 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation