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

76°F

24°C

Humidity 75%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 68°F (20°C)
Visibility NA
Heat Index77°F (25°C)
Last update 28 Aug 03:10 AM PDT
Extended Forecast for

Altadena CA

Extreme Heat Warning August 28, 03:23am until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 28, 03:23am until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Saturday

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

    High: 96 °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 89.

    High: 89 °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 85.

    High: 85 °F

    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 74. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 96. 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 89.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 60.
Tuesday
A slight chance of showers after 11am. Sunny, with a high near 84.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 63.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 86.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 65.
Thursday
A slight chance of showers. Mostly 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:
12:16 am PDT Aug 28, 2026
Forecast Valid:
3am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation