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

Hazardous Weather Conditions

Current conditions at

Fullerton, Fullerton Municipal Airport (KFUL)

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

Clear

77°F

25°C

Humidity 21%
Wind Speed W 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 14 Oct 05:53 PM PDT
Extended Forecast for

Fullerton Municipal CA

Heat Advisory October 15, 10:00am until October 17, 08:00pm
Wind Advisory October 15, 06:00am until October 17, 12:00pm
Click here for hazard details and duration
Heat Advisory
Wind Advisory

  • Tonight

    Tonight: Clear, with a low around 62. West wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 71. Calm wind becoming east around 5 mph after midnight.

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 96. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 62. West wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 91. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Clear, with a low around 71. Calm wind becoming east around 5 mph after midnight.
Friday
Sunny, with a high near 96. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 72. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 67.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 65.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 62.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 74.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Wednesday
A chance of showers. Partly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.88°N 117.99°W (Elev. 157 ft)
Last Update:
12:51 pm PDT Oct 14, 2026
Forecast Valid:
6pm PDT Oct 14, 2026-6pm PDT Oct 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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