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

61°F

16°C

Humidity 63%
Wind Speed S 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Feb 05:35 PM PST
Extended Forecast for

Fullerton Municipal CA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 49. South wind around 5 mph becoming calm.

    Low: 49 °F

    Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 71.

    High: 71 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 10am. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 67. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Clear, with a low around 49. South wind around 5 mph becoming calm.
Saturday
Increasing clouds, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
A chance of showers after 10am. Mostly cloudy, with a high near 67.
Sunday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 52.
Washington's Birthday
Showers. The rain could be heavy at times. Cloudy, with a high near 62.
Monday Night
Showers. Mostly cloudy, with a low around 49.
Tuesday
Showers. Mostly cloudy, with a high near 62.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.88°N 117.99°W (Elev. 157 ft)
Last Update:
1:07 pm PST Feb 11, 2026
Forecast Valid:
5pm PST Feb 11, 2026-6pm PST Feb 18, 2026
 
Forecast Discussion
 
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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