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

64°F

18°C

Humidity 77%
Wind Speed W 3 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 08 Oct 10:20 PM PDT
Extended Forecast for

Fullerton Municipal CA

  • Tonight

    Tonight: Increasing clouds, with a low around 60. West wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers before 11pm. Partly cloudy, with a low around 66. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. West wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 66. Northwest wind around 5 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 83. West wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 58.
Columbus Day
Sunny, with a high near 74.
Monday Night
Increasing clouds, with a low around 59.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 72.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 71.
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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:
1:34 pm PDT Oct 8, 2025
Forecast Valid:
10pm PDT Oct 8, 2025-6pm PDT Oct 15, 2025
 
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Additional Resources

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Chance of Precipitation