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

Hazardous Weather Conditions

Current conditions at

WHITTIER HILLS (WTHC1)

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

NA

66°F

19°C

Humidity 27%
Wind Speed NE 12 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 30 Dec 12:57 PM PST
Extended Forecast for

2 Miles NNW Fullerton Municipal CA

Flood Watch December 31, 10:00pm until January 1, 10:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 72. East northeast wind around 10 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 10pm, then a chance of rain after 4am. Cloudy, with a low around 58. East northeast wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly after 10am. High near 70. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 57. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 57 °F

    Heavy Rain

  • New Year's Day

    New Year's Day: Showers and possibly a thunderstorm before 4pm, then a chance of rain and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 65. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 65 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain. Cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 64.

    High: 64 °F

    Rain Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 72. East northeast wind around 10 mph.
Tonight
A slight chance of showers before 10pm, then a chance of rain after 4am. Cloudy, with a low around 58. East northeast wind around 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 10am. High near 70. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain before 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 57. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
New Year's Day
Showers and possibly a thunderstorm before 4pm, then a chance of rain and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 65. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 57.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 64.
Friday Night
A chance of rain. Cloudy, with a low around 56.
Saturday
Rain likely. Mostly cloudy, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 52.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A slight chance of rain. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Fullerton Municipal CA
 33.91°N 117.99°W (Elev. 197 ft)
Last Update:
1:07 pm PST Dec 30, 2025
Forecast Valid:
1pm PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation