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

Hazardous Weather Conditions

Current conditions at

LOS ANGELES DOWNTOWN (FHMC1)

Lat: 34.06778°NLon: 118.24167°WElev: 413.0ft.

NA

68°F

20°C

Humidity 90%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 65°F (18°C)
Visibility NA
Last update 01 Sep 04:40 AM PDT
Extended Forecast for

2 Miles WNW Altadena CA

Heat Advisory September 1, 04:48am until September 2, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 04:48am until September 2, 06:00pm

    NOW until 6:00pm Tue

    Heat Advisory

  • Labor Day

    High: 97 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 96. Heat index values as high as 105. East wind 5 to 10 mph becoming southwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming northeast after midnight.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

Detailed Forecast

Labor Day
Increasing clouds and hot, with a high near 97. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 96. Heat index values as high as 105. East wind 5 to 10 mph becoming southwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming northeast after midnight.
Wednesday
Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 64.
Saturday
Sunny, with a high near 88.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Altadena CA
 34.2°N 118.17°W (Elev. 1198 ft)
Last Update:
3:39 am PDT Sep 1, 2025
Forecast Valid:
4am PDT Sep 1, 2025-6pm PDT Sep 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation