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

66°F

19°C

Humidity 63%
Wind Speed E 2 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 11 Nov 12:38 AM PST
Extended Forecast for

Fullerton CA

  • Overnight

    Overnight: Clear, with a low around 61. Northwest wind around 5 mph becoming east.

    Low: 61 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Calm wind becoming northeast around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 4am. Low around 62. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 10am. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 4am. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Saturday

    Saturday: A chance of showers before 10am. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 61. Northwest wind around 5 mph becoming east.
Veterans Day
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Calm wind becoming northeast around 5 mph.
Thursday
Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Showers, mainly after 4am. Low around 62. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 10am. High near 72. Chance of precipitation is 80%.
Friday Night
Showers, mainly before 4am. Low around 59. Chance of precipitation is 80%.
Saturday
A chance of showers before 10am. Partly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A chance of showers. Partly cloudy, with a low around 55.
Monday
Showers likely. Mostly cloudy, with a high near 69.
Monday Night
Showers likely. Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.89°N 117.94°W (Elev. 197 ft)
Last Update:
12:13 am PST Nov 11, 2026
Forecast Valid:
12am PST Nov 11, 2026-6pm PST Nov 17, 2026
 
Forecast Discussion
 
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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