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

69°F

21°C

Humidity 67%
Wind Speed SW 9 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 11 Oct 04:08 PM PDT
Extended Forecast for

Brea CA

  • This Afternoon

    This Afternoon: A chance of showers. Mostly cloudy, with a high near 71. Southwest wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after 11pm. Low around 58. Southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Showers

  • Columbus Day

    Columbus Day: Showers, mainly before 11am. High near 68. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 11pm. Partly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. East wind around 5 mph becoming calm in the morning.

    High: 74 °F

    Sunny

  • Tuesday Night

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

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers. Mostly cloudy, with a high near 71. Southwest wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly after 11pm. Low around 58. Southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Showers, mainly before 11am. High near 68. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 54. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 74. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 87.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 92.
Friday Night
Clear, with a low around 68.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 67.
Sunday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brea CA
 33.92°N 117.89°W (Elev. 361 ft)
Last Update:
1:13 pm PDT Oct 11, 2026
Forecast Valid:
4pm PDT Oct 11, 2026-6pm PDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation