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

64°F

18°C

Humidity 72%
Wind Speed SSW 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 May 07:35 PM PDT
Extended Forecast for

Fullerton Municipal CA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 73 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: 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: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 75 °F

    Becoming
    Sunny

  • Thursday Night

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

    Low: 57 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Becoming
    Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. South wind around 5 mph becoming calm in the evening.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Friday
Partly sunny, then gradually becoming sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 58.
Tuesday
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:
12:47 pm PDT May 12, 2026
Forecast Valid:
7pm PDT May 12, 2026-6pm PDT May 19, 2026
 
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Additional Resources

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