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: 243.01ft.

NA

62°F

17°C

Humidity 53%
Wind Speed N 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Oct 03:53 AM PDT
Extended Forecast for

Brea CA

Heat Advisory October 15, 10:00am until October 17, 08:00pm
Wind Advisory October 15, 06:00am until October 17, 12:00pm
Click here for hazard details and duration
Heat Advisory
Wind Advisory

  • Today

    Today: Sunny, with a high near 88. Northeast wind around 5 mph becoming west in the morning.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. Northeast wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 91. Breezy, with an east wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 91 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. East wind 10 to 15 mph becoming light and variable. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Northeast wind around 5 mph becoming west in the morning.
Tonight
Clear, with a low around 70. Northeast wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 91. Breezy, with an east wind 20 to 25 mph, with gusts as high as 40 mph.
Friday Night
Mostly clear, with a low around 71. Northeast wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 89. East wind 10 to 15 mph becoming light and variable. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 64.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brea CA
 33.93°N 117.86°W (Elev. 659 ft)
Last Update:
2:15 am PDT Oct 15, 2026
Forecast Valid:
4am PDT Oct 15, 2026-6pm PDT Oct 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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