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

FW0063 Fullerton CSU (F0063)

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

NA

70°F

21°C

Humidity 64%
Wind Speed WNW 12 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 21 Jun 02:38 PM PDT
Extended Forecast for

Fullerton CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. Southwest wind around 10 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 60. South wind 5 to 10 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 58.

    Low: 58 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78.

    High: 78 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 59.

    Low: 59 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 82.

    High: 82 °F

    Becoming
    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. Southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 60. South wind 5 to 10 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 58.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78.
Tuesday Night
Increasing clouds, with a low around 59.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 82.
Wednesday Night
Increasing clouds, with a low around 62.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 83.
Thursday Night
Increasing clouds, with a low around 62.
Friday
Partly sunny, then gradually becoming sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.91°W (Elev. 184 ft)
Last Update:
1:10 pm PDT Jun 21, 2025
Forecast Valid:
2pm PDT Jun 21, 2025-6pm PDT Jun 27, 2025
 
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