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 80%
Wind Speed SSW 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 15 May 09:43 PM PDT
Extended Forecast for

Brea CA

  • Tonight

    Tonight: Patchy fog between 11pm and 2am. Otherwise, mostly clear, with a low around 54. Southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 54 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. South wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming light south after midnight.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 11pm and 2am. Otherwise, mostly clear, with a low around 54. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 58. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 83. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming light south after midnight.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 56.
Memorial Day
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brea CA
 33.93°N 117.86°W (Elev. 659 ft)
Last Update:
12:24 pm PDT May 18, 2026
Forecast Valid:
6pm PDT May 18, 2026-6pm PDT May 25, 2026
 
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