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

70°F

21°C

Humidity 67%
Wind Speed WSW 8 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 29 Jun 06:53 PM PDT
Extended Forecast for

Brea CA

  • Tonight

    Tonight: Patchy drizzle after 2am. Increasing clouds, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Drizzle

  • Tuesday

    Tuesday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 73 °F

    Patchy
    Drizzle then
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 58. Southwest wind 5 to 10 mph becoming light south after midnight.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 75 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming light south after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy drizzle after 2am. Increasing clouds, with a low around 59. South wind 5 to 10 mph.
Tuesday
Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 58. Southwest wind 5 to 10 mph becoming light south after midnight.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 56. Southwest wind 5 to 10 mph becoming light south after midnight.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 59.
Independence Day
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 61.
Monday
Mostly sunny, with a high near 82.
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:
5:45 pm PDT Jun 29, 2026
Forecast Valid:
7pm PDT Jun 29, 2026-6pm PDT Jul 6, 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