Current conditions at

Fullerton, Fullerton Municipal Airport (KFUL)

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

Clear

79°F

26°C

Humidity 50%
Wind Speed SW 6 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Heat Index80°F (27°C)
Last update 25 Mar 02:00 PM PDT
Extended Forecast for

Fullerton Municipal CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Southwest wind around 10 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. West wind around 5 mph becoming calm  after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. West wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 60.

    Low: 60 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 87.

    High: 87 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 59. West wind around 5 mph becoming calm after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 87.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 86.
Sunday Night
Increasing clouds, with a low around 59.
Monday
Mostly cloudy, with a high near 81.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly cloudy, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.86°N 117.99°W (Elev. 69 ft)
11:51 am PDT Mar 25, 2026
2pm PDT Mar 25, 2026-6pm PDT Mar 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database