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

LOS ANGELES DOWNTOWN (FHMC1)

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

NA

68°F

20°C

Humidity 69%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 01 Sep 09:40 PM PDT
Extended Forecast for

Altadena CA

  • Tonight

    Tonight: Clear, with a low around 57. South southwest wind around 5 mph becoming east southeast after midnight.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. East southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Southwest wind 5 to 10 mph becoming east after midnight.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. East southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. South southwest wind around 5 mph becoming east southeast after midnight.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 11am. Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 57. South southwest wind around 5 mph becoming east southeast after midnight.
Wednesday
Sunny, with a high near 84. East southeast wind 5 to 10 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. Southwest wind 5 to 10 mph becoming east after midnight.
Thursday
Sunny, with a high near 84. East southeast wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 58. South southwest wind around 5 mph becoming east southeast after midnight.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 59.
Saturday
A slight chance of showers after 11am. Mostly sunny, with a high near 86.
Saturday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 65.
Sunday
A chance of showers. Mostly cloudy, with a high near 85.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66.
Labor Day
A chance of showers. Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65.
Tuesday
A chance of showers. Mostly sunny, with a high near 86.
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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:
9:36 pm PDT Sep 1, 2026
Forecast Valid:
9pm PDT Sep 1, 2026-6pm PDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation