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

67°F

19°C

Humidity 64%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 11 Oct 04:57 PM PDT
Extended Forecast for

3 Miles NW Fullerton Municipal CA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Mostly cloudy, with a high near 74. South southwest wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 61. South southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely, mainly before 11am. Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a high near 74. South southwest wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 61. South southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Showers likely, mainly before 11am. Mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 74. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 69.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 69.
Sunday
Sunny, with a high near 91.
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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:
1:41 pm PDT Oct 11, 2026
Forecast Valid:
5pm PDT Oct 11, 2026-6pm PDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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