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

90°F

32°C

Humidity 41%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Heat Index91°F (33°C)
Last update 22 Aug 11:10 AM PDT
Extended Forecast for

Altadena CA

Extreme Heat Warning August 22, 11:22am until August 23, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 22, 11:22am until August 23, 09:00pm

    NOW until 9:00pm Sat

    Extreme Heat Warning

  • Today

    High: 96 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of thunderstorms after 11am. Mostly sunny and hot, with a high near 99. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 99 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 96. Light west southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny and hot, with a high near 96. South southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm.
Saturday
A slight chance of thunderstorms after 11am. Mostly sunny and hot, with a high near 99. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny and hot, with a high near 96. Light west southwest wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altadena CA
 34.18°N 118.14°W (Elev. 1253 ft)
Last Update:
11:04 am PDT Aug 22, 2025
Forecast Valid:
11am PDT Aug 22, 2025-6pm PDT Aug 28, 2025
 
Forecast Discussion
 
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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