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

55°F

13°C

Humidity 76%
Wind Speed NE 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 08 Feb 03:00 AM PST
Extended Forecast for

Fullerton Municipal CA

  • Overnight

    Overnight: Mostly clear, with a low around 52. Northeast wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 68.

    High: 68 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers. Cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 4pm. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 10pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Northeast wind around 5 mph.
Sunday
Sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53. Calm wind.
Monday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 54. Calm wind.
Tuesday
Cloudy, with a high near 68.
Tuesday Night
A chance of showers. Cloudy, with a low around 52. Chance of precipitation is 50%.
Wednesday
A chance of showers, mainly before 4pm. Mostly cloudy, with a high near 66.
Wednesday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 48.
Thursday
A slight chance of showers after 10am. Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A slight chance of showers. Mostly sunny, with a high near 69.
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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:
1:01 am PST Feb 8, 2026
Forecast Valid:
3am PST Feb 8, 2026-6pm PST Feb 14, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation