National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

FW0063 Fullerton CSU (F0063)

Lat: 33.8805°NLon: 117.88417°WElev: 247.0ft.

NA

71°F

22°C

Humidity 69%
Wind Speed S 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 03 Jul 10:10 AM PDT
Extended Forecast for

Fullerton CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 79. Southwest wind 5 to 10 mph.

    High: 79 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 83 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 62.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 86.

    High: 86 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 63.

    Low: 63 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 79. Southwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 62. Southwest wind around 5 mph becoming calm after midnight.
Independence Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 62.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 86.
Sunday Night
Increasing clouds, with a low around 63.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 89.
Tuesday Night
Increasing clouds, with a low around 67.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.93°W (Elev. 184 ft)
Last Update:
2:06 am PDT Jul 3, 2025
Forecast Valid:
10am PDT Jul 3, 2025-6pm PDT Jul 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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