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

54°F

12°C

Humidity 88%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 11 Mar 02:57 AM PDT
Extended Forecast for

Downey CA

Heat Advisory March 12, 10:00am until March 13, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 57 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing and hot, with a high near 98. North northwest wind 5 to 10 mph becoming west in the afternoon.

    High: 98 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. West wind 5 to 10 mph becoming north northeast in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 54. Calm wind.
Wednesday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing and hot, with a high near 98. North northwest wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 63. West wind 5 to 10 mph becoming north northeast in the evening.
Friday
Mostly sunny and hot, with a high near 99.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 95.
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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:
2:54 am PDT Mar 11, 2026
Forecast Valid:
3am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

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