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.

Mist

50°F

10°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 25 Nov 03:20 AM PST
Extended Forecast for

Fullerton Municipal CA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 51. North wind around 5 mph.

    Low: 51 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Calm wind becoming northeast around 5 mph in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly cloudy, with a high near 76.

    High: 76 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 51. North wind around 5 mph.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Calm wind becoming northeast around 5 mph in the evening.
Wednesday
Sunny, with a high near 79. Northeast wind around 5 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 55. Northeast wind around 5 mph.
Thanksgiving Day
Mostly cloudy, with a high near 76.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 68.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Sunday
A chance of showers. Partly sunny, with a high near 64.
Sunday Night
A chance of showers. Partly cloudy, with a low around 49.
Monday
A slight chance of showers. Mostly sunny, with a high near 67.
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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:
2:09 am PST Nov 25, 2025
Forecast Valid:
3am PST Nov 25, 2025-6pm PST Dec 1, 2025
 
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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