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

87°F

31°C

Humidity 38%
Wind Speed WSW 9 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Heat Index86°F (30°C)
Last update 19 Aug 05:57 PM PDT
Extended Forecast for

Downey CA

Extreme Heat Warning August 21, 11:00am until August 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Mostly clear, with a low around 67. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. South wind 5 to 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. West southwest wind 5 to 10 mph becoming light south in the evening.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 72.

    Low: 72 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny and hot, with a high near 97.

    High: 97 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 67. West wind 5 to 10 mph becoming light southwest after midnight.
Wednesday
Sunny, with a high near 93. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 69. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 71. West southwest wind 5 to 10 mph becoming light south in the evening.
Friday
Sunny and hot, with a high near 97.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 72.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny and hot, with a high near 97.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 88.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 68.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Downey CA
 33.93°N 118.14°W (Elev. 95 ft)
Last Update:
1:12 pm PDT Aug 19, 2025
Forecast Valid:
7pm PDT Aug 19, 2025-6pm PDT Aug 26, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation