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: 247.0ft.

NA

61°F

16°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 08 Nov 09:38 PM PST
Extended Forecast for

Fullerton CA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind becoming northwest around 5 mph.

    Low: 58 °F

    Patchy Fog

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 61. Calm wind becoming east around 5 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 4am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind becoming northwest around 5 mph.
Sunday
Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 62. Calm wind.
Monday
Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 61. Calm wind becoming east around 5 mph.
Veterans Day
Mostly sunny, with a high near 83.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Mostly cloudy, with a high near 76.
Wednesday Night
A slight chance of showers after 4am. Mostly cloudy, with a low around 58.
Thursday
A chance of showers, mainly after 10am. Mostly cloudy, with a high near 73.
Thursday Night
Showers likely. Mostly cloudy, with a low around 57.
Friday
A chance of showers. Mostly cloudy, with a high near 67.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53.
Saturday
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:
7:04 pm PST Nov 8, 2025
Forecast Valid:
9pm PST Nov 8, 2025-6pm PST Nov 15, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation