National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

FW0063 Fullerton CSU (F0063)

Lat: 33.8805°NLon: 117.88417°WElev: 247.0ft.

NA

89°F

32°C

Humidity 12%
Wind Speed E 5 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Heat Index85°F (29°C)
Last update 04 Feb 02:53 PM PST
Extended Forecast for

Fullerton CA

Wind Advisory February 4, 03:14pm until February 5, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory February 4, 03:14pm until February 5, 12:00pm

    NOW until 12:00pm Thu

    Wind Advisory

  • Tonight

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Cloudy, with a low around 55. Southwest wind around 5 mph becoming calm.

    Low: 55 °F

    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. South wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 77.

    High: 77 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Northeast wind around 5 mph.
Thursday
Increasing clouds, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Cloudy, with a low around 55. Southwest wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51. South wind around 5 mph becoming calm.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 75.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 54.
Tuesday
A chance of showers. Mostly cloudy, with a high near 68.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.93°W (Elev. 184 ft)
Last Update:
12:31 pm PST Feb 4, 2026
Forecast Valid:
3pm PST Feb 4, 2026-6pm PST Feb 11, 2026
 
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Additional Resources

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Chance of Precipitation