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

86°F

30°C

Humidity 27%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index83°F (28°C)
Last update 18 Mar 06:57 PM PDT
Extended Forecast for

Downey CA

Extreme Heat Warning March 18, 07:57pm until March 20, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning March 18, 07:57pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 61 °F

    Mostly Clear

  • Thursday

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

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny and hot, with a high near 96. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 92.
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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:
2:20 pm PDT Mar 18, 2026
Forecast Valid:
7pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation