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: 243.01ft.

NA

72°F

22°C

Humidity 67%
Wind Speed WNW 9 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 01 Jul 02:23 PM PDT
Extended Forecast for

Fullerton CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Southwest wind around 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. West wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Decreasing
    Clouds

  • Friday Night

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

    Low: 62 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: Mostly cloudy, then gradually becoming sunny, with a high near 82.

    High: 82 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 63. West wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 62.
Independence Day
Mostly cloudy, then gradually becoming sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.93°W (Elev. 184 ft)
Last Update:
12:50 pm PDT Jul 1, 2026
Forecast Valid:
2pm PDT Jul 1, 2026-6pm PDT Jul 7, 2026
 
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Additional Resources

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