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

66°F

19°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 14 Oct 09:15 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. Calm wind becoming northeast around 5 mph.

    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 70. Light and variable wind becoming northeast 5 to 10 mph in the evening.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °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 92.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 62. Calm wind becoming northeast around 5 mph.
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 70. Light and variable wind becoming northeast 5 to 10 mph in the evening.
Friday
Sunny, with a high near 95. East 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 92.
Saturday Night
Clear, with a low around 66.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 64.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 61.
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 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.89°N 117.96°W (Elev. 210 ft)
Last Update:
12:51 pm PDT Oct 14, 2026
Forecast Valid:
9pm PDT Oct 14, 2026-6pm PDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation