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

79°F

26°C

Humidity 41%
Wind Speed NE 3 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 04 Oct 04:55 AM PDT
Extended Forecast for

2 Miles SE Cerritos CA

Extreme Heat Warning October 4, 05:20am until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 4, 05:20am until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Today

    High: 101 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. Northwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 102. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    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 99. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 101. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Clear, with a low around 75. 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. Winds could gust as high as 20 mph.
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 99. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 72.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Cerritos CA
 33.85°N 118.04°W (Elev. 3 ft)
Last Update:
12:28 am PDT Oct 4, 2026
Forecast Valid:
5am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation