Current conditions at

FW0063 Fullerton CSU (F0063)

Lat: 33.8805°NLon: 117.88417°WElev: 243.01ft.

NA

62°F

17°C

Humidity 79%
Wind Speed SE 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 30 Apr 08:38 AM PDT
Extended Forecast for

Fullerton CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 75. South wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Southeast wind 5 to 10 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph becoming southwest in the morning.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 57. South wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 75. South wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 57. Southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph becoming southwest in the morning.
Friday Night
Increasing clouds, with a low around 57. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 79. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.93°W (Elev. 184 ft)
12:23 am PDT Apr 30, 2026
8am PDT Apr 30, 2026-6pm PDT May 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database