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.

Overcast

70°F

21°C

Humidity 60%
Wind Speed W 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 12:20 PM PDT
Extended Forecast for

Fullerton Municipal CA

  • Juneteenth

    Juneteenth: Sunny, with a high near 76. Southwest wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 59. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 60.

    Low: 60 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 81.

    High: 81 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 76. Southwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 60. West wind 5 to 10 mph becoming light southwest after midnight.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 59. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 60.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 81.
Monday Night
Increasing clouds, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.86°N 117.99°W (Elev. 69 ft)
Last Update:
12:02 pm PDT Jun 19, 2026
Forecast Valid:
12pm PDT Jun 19, 2026-6pm PDT Jun 25, 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