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

WHITTIER HILLS (WTHC1)

Lat: 33.984°NLon: 118.00943°WElev: 950.0ft.

NA

58°F

14°C

Humidity 83%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 19 Apr 05:57 AM PDT
Extended Forecast for

3 Miles NW Fullerton Municipal CA

  • Today

    Today: Sunny, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming light southwest in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Rain likely after 11am. Mostly cloudy, with a high near 72. Light south southeast wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light south southwest in the evening.
Monday
Sunny, with a high near 76. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming light southwest in the evening.
Tuesday
Rain likely after 11am. Mostly cloudy, with a high near 72. Light south southeast wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 30 percent chance of rain before 11pm. Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Fullerton Municipal CA
 33.9°N 118.02°W (Elev. 105 ft)
Last Update:
12:41 am PDT Apr 19, 2026
Forecast Valid:
6am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation