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

64°F

18°C

Humidity 86%
Wind Speed S 1 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 25 Jun 01:08 AM PDT
Extended Forecast for

Brea CA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm.

    Low: 60 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 59. Southwest wind 5 to 10 mph becoming light south after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Patchy drizzle after 11pm. Increasing clouds, with a low around 60. Southwest wind 5 to 10 mph.

    Low: 60 °F

    Patchy
    Drizzle

  • Saturday

    Saturday: Patchy drizzle before 11am. Partly sunny, with a high near 73.

    High: 73 °F

    Patchy
    Drizzle then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy drizzle after 11pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Patchy
    Drizzle

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 72.

    High: 72 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 59. Southwest wind 5 to 10 mph becoming light south after midnight.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 77. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Patchy drizzle after 11pm. Increasing clouds, with a low around 60. Southwest wind 5 to 10 mph.
Saturday
Patchy drizzle before 11am. Partly sunny, with a high near 73.
Saturday Night
Patchy drizzle after 11pm. Mostly cloudy, with a low around 57.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 57.
Monday
Partly sunny, then gradually becoming sunny, with a high near 74.
Monday Night
Increasing clouds, with a low around 57.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 75.
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:
12:17 am PDT Jun 25, 2026
Forecast Valid:
1am PDT Jun 25, 2026-6pm PDT Jul 1, 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