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.

Clear

73°F

23°C

Humidity 46%
Wind Speed S 10 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 13 May 03:53 PM PDT
Extended Forecast for

Fullerton Municipal CA

  • Tonight

    Tonight: Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 76 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 57. South wind 5 to 10 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Increasing clouds, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 75.

    High: 75 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 57. South wind 5 to 10 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 74. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Increasing clouds, with a low around 57. South wind around 5 mph becoming calm in the evening.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 75.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton Municipal CA
 33.86°N 117.99°W (Elev. 69 ft)
Last Update:
12:07 pm PDT May 13, 2026
Forecast Valid:
4pm PDT May 13, 2026-6pm PDT May 20, 2026
 
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Additional Resources

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