Current conditions at

Fullerton, Fullerton Municipal Airport (KFUL)

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

Clear

77°F

25°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 04 Oct 01:53 AM PDT
Extended Forecast for

Fullerton Municipal CA

Extreme Heat Warning October 4, 02:07am until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 4, 02:07am until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 101 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 102. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 102 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. West wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 100.

    High: 100 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 78. Calm wind becoming northeast around 5 mph.
Sunday
Sunny, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 102. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 100.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.86°N 117.99°W (Elev. 69 ft)
12:28 am PDT Oct 4, 2026
2am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
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