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

82°F

28°C

Humidity 32%
Wind Speed S 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 49°F (9°C)
Visibility NA
Heat Index81°F (27°C)
Last update 11 Nov 12:23 PM PST
Extended Forecast for

Fullerton CA

  • Veterans Day

    Veterans Day: Sunny, with a high near 86. Southwest wind around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: 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 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 4am. Low around 59. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 10am. High near 73. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 4am. Low around 59. Chance of precipitation is 90%.

    Low: 59 °F

    Showers

  • Saturday

    Saturday: A chance of showers before 10am. Partly sunny, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

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

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Sunny, with a high near 86. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 60. Calm wind becoming northeast around 5 mph.
Thursday
Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Showers, mainly after 4am. Low around 59. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, mainly before 10am. High near 73. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before 4am. Low around 59. Chance of precipitation is 90%.
Saturday
A chance of showers before 10am. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A chance of showers, mainly after 4am. Partly cloudy, with a low around 55.
Monday
Showers likely. Mostly cloudy, with a high near 70.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.93°W (Elev. 184 ft)
Last Update:
12:06 pm PST Nov 11, 2026
Forecast Valid:
12pm PST Nov 11, 2026-6pm PST Nov 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation