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

64°F

18°C

Humidity 87%
Wind Speed WSW 2 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 27 Jun 02:53 AM PDT
Extended Forecast for

Fullerton CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 85. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 85 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. West wind 5 to 10 mph becoming light after midnight.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 61.

    Low: 61 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Calm wind.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 82. Light southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Increasing clouds, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 85. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 62. West wind 5 to 10 mph becoming light after midnight.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 83.
Monday Night
Increasing clouds, with a low around 61.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 81.
Tuesday Night
Increasing clouds, with a low around 61.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 81.
Wednesday Night
Increasing clouds, with a low around 62.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.89°N 117.94°W (Elev. 197 ft)
Last Update:
2:11 am PDT Jun 27, 2025
Forecast Valid:
3am PDT Jun 27, 2025-6pm PDT Jul 3, 2025
 
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Additional Resources

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