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

23°C

74°F

Humidity 68%
Wind Speed NW 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 17°C (63°F)
Visibility NA
Last update 12 Jul 06:05 PM PDT
Extended Forecast for

Fullerton CA

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Southwest wind 5 to 15 km/h.

    Low: 18 °C

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 28. Southwest wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.

    High: 28 °C

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 17. Southwest wind 10 to 15 km/h becoming light after midnight.

    Low: 17 °C

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 27. Light south wind becoming southwest 10 to 15 km/h in the morning.

    High: 27 °C

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 17. Southwest wind 5 to 10 km/h becoming calm after midnight.

    Low: 17 °C

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 27.

    High: 27 °C

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 16.

    Low: 16 °C

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 26.

    High: 26 °C

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 16.

    Low: 16 °C

    Increasing
    Clouds

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Southwest wind 5 to 15 km/h.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 28. Southwest wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.
Sunday Night
Increasing clouds, with a low around 17. Southwest wind 10 to 15 km/h becoming light after midnight.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 27. Light south wind becoming southwest 10 to 15 km/h in the morning.
Monday Night
Increasing clouds, with a low around 17. Southwest wind 5 to 10 km/h becoming calm after midnight.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 27.
Tuesday Night
Increasing clouds, with a low around 16.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 26.
Wednesday Night
Increasing clouds, with a low around 16.
Thursday
Mostly sunny, with a high near 27.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 18.
Saturday
Sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.93°W (Elev. 184 m)
Last Update:
1:08 pm PDT Jul 12, 2025
Forecast Valid:
6pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
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Additional Resources

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