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

93°F

34°C

Humidity 47%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 70°F (21°C)
Visibility NA
Heat Index99°F (37°C)
Last update 28 Aug 01:10 PM PDT
Extended Forecast for

Altadena CA

Heat Advisory August 28, 08:00pm until August 29, 08:00pm
Extreme Heat Warning August 28, 01:29pm until August 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 28, 01:29pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Light south wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. South wind 5 to 10 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South wind around 5 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 100. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 97. Light south wind becoming south southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 91. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A slight chance of showers after 11am. Mostly sunny, with a high near 85.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 87.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 64.
Thursday
Sunny, with a high near 89.
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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:
1:24 pm PDT Aug 28, 2026
Forecast Valid:
1pm PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
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