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Hazardous Weather Conditions

Current conditions at

FW0063 Fullerton CSU (F0063)

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

NA

65°F

18°C

Humidity 86%
Wind Speed NNE 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 61°F (16°C)
Visibility NA
Last update 06 Aug 06:08 AM PDT
Extended Forecast for

Fullerton CA

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

  • Today

    Today: Widespread haze between 8am and 2pm. Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 91. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Haze

  • Tonight

    Tonight: Mostly clear, with a low around 67. West wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Widespread haze after 8am. Sunny, with a high near 93. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    High: 93 °F

    Haze

  • Thursday Night

    Thursday Night: Widespread haze before 8pm. Mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Haze then
    Partly Cloudy

  • Friday

    Friday: Patchy fog before 11am. Otherwise, sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 66.

    Low: 66 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 88.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 66.

    Low: 66 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 88.

    High: 88 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Widespread haze between 8am and 2pm. Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 91. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 67. West wind around 5 mph becoming calm in the evening.
Thursday
Widespread haze after 8am. Sunny, with a high near 93. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Widespread haze before 8pm. Mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 66.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 88.
Saturday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 66.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 88.
Sunday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 66.
Monday
Patchy fog. Otherwise, partly sunny, then gradually becoming sunny, with a high near 87.
Monday Night
Patchy fog. Otherwise, increasing clouds, with a low around 66.
Tuesday
Patchy fog. Otherwise, partly sunny, then gradually becoming sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton CA
 33.87°N 117.91°W (Elev. 184 ft)
Last Update:
2:14 am PDT Aug 6, 2025
Forecast Valid:
6am PDT Aug 6, 2025-6pm PDT Aug 12, 2025
 
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