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

63°F

17°C

Humidity 81%
Wind Speed SSW 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 21 May 09:08 PM PDT
Extended Forecast for

Brea CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. South wind 5 to 10 mph.

    Low: 57 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 56 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55. Southwest wind 5 to 10 mph.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55.

    Low: 55 °F

    Patchy Fog

  • Memorial Day

    Memorial Day: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 54.

    Low: 54 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. South wind 5 to 10 mph.
Friday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light south in the evening.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55. Southwest wind 5 to 10 mph.
Sunday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75.
Sunday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55.
Memorial Day
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72.
Monday Night
Increasing clouds, with a low around 54.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brea CA
 33.93°N 117.86°W (Elev. 659 ft)
Last Update:
8:46 pm PDT May 21, 2026
Forecast Valid:
9pm PDT May 21, 2026-6pm PDT May 28, 2026
 
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