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

67°F

19°C

Humidity 76%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 29 Oct 09:40 PM PDT
Extended Forecast for

Altadena CA

  • Tonight

    Tonight: A 30 percent chance of showers after 11pm. Cloudy, with a low around 57. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 69. Calm wind becoming south around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 55. South wind around 5 mph becoming east after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 11am, then a chance of rain after 11am. Cloudy, with a high near 68. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 55. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Sunday

    Sunday: Showers likely, mainly before 11am. Partly sunny, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers after 11pm. Cloudy, with a low around 57. South wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69. Calm wind becoming south around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 50 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 55. South wind around 5 mph becoming east after midnight. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers before 11am, then a chance of rain after 11am. Cloudy, with a high near 68. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 55. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 11am. Partly sunny, with a high near 67. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 71.
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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:
8:41 pm PDT Oct 29, 2026
Forecast Valid:
9pm PDT Oct 29, 2026-6pm PST Nov 5, 2026
 
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