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

Fullerton, Fullerton Municipal Airport (KFUL)

Lat: 33.87194°NLon: 117.98472°WElev: 95.0ft.

Clear

81°F

27°C

Humidity 44%
Wind Speed SSW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 10 Nov 04:35 PM PST
Extended Forecast for

Fullerton Municipal CA

  • Tonight

    Tonight: Clear, with a low around 60. Calm wind becoming east around 5 mph.

    Low: 60 °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 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 60. South wind around 5 mph becoming calm.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 10am. Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers after 10pm. Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 60. Calm wind becoming east around 5 mph.
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 59. Calm wind.
Thursday
Sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 60. South wind around 5 mph becoming calm.
Friday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Saturday
A chance of showers, mainly before 10am. Partly sunny, with a high near 74.
Saturday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
A chance of showers. Partly cloudy, with a low around 56.
Monday
Showers likely. Mostly cloudy, with a high near 71.
Monday Night
Showers likely. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers. Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.86°N 117.99°W (Elev. 69 ft)
Last Update:
12:37 pm PST Nov 10, 2026
Forecast Valid:
4pm PST Nov 10, 2026-6pm PST Nov 17, 2026
 
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Additional Resources

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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