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

72°F

22°C

Humidity 62%
Wind Speed SW 10 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 20 Jun 02:53 PM PDT
Extended Forecast for

Brea CA

  • Tonight

    Tonight: Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light southwest in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 59. Southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 59 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening.

    Low: 61 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light southwest in the evening.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 59. Southwest wind 5 to 10 mph becoming light south in the evening.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brea CA
 33.92°N 117.89°W (Elev. 361 ft)
Last Update:
12:01 pm PDT Jun 20, 2026
Forecast Valid:
3pm PDT Jun 20, 2026-6pm PDT Jun 27, 2026
 
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Additional Resources

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