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

Hazardous Weather Conditions

Current conditions at

FW0063 Fullerton CSU (F0063)

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

NA

67°F

19°C

Humidity 85%
Wind Speed SSW 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 62°F (17°C)
Visibility NA
Last update 05 Aug 01:08 AM PDT
Extended Forecast for

Placentia CA

Heat Advisory August 6, 10:00am until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 65. South wind around 5 mph becoming calm.

    Low: 65 °F

    Patchy Fog

  • Tuesday

    Tuesday: Widespread haze after 11am. Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 88 °F

    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze before 11pm. Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Haze then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 93.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 68.

    Low: 68 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 65. South wind around 5 mph becoming calm.
Tuesday
Widespread haze after 11am. Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Widespread haze before 11pm. Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 93.
Friday Night
Increasing clouds, with a low around 68.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 89.
Saturday Night
Increasing clouds, with a low around 68.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Partly sunny, then gradually becoming sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Placentia CA
 33.88°N 117.88°W (Elev. 240 ft)
Last Update:
1:03 pm PDT Aug 4, 2025
Forecast Valid:
1am PDT Aug 5, 2025-6pm PDT Aug 11, 2025
 
Forecast Discussion
 
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Additional Resources

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