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

74°F

23°C

Humidity 79%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 67°F (19°C)
Visibility NA
Last update 29 Aug 07:57 AM PDT
Extended Forecast for

4 Miles S Arcadia CA

Heat Advisory August 29, 08:14am until August 29, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 29, 08:14am until August 29, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southwest wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 65. South southwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 65 °F

    Increasing
    Clouds

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 99. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 69. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 91. South southwest wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 65. South southwest wind 5 to 10 mph becoming southeast after midnight.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 63.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Arcadia CA
 34.06°N 118.03°W (Elev. 256 ft)
Last Update:
7:57 am PDT Aug 29, 2026
Forecast Valid:
8am PDT Aug 29, 2026-6pm PDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation