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

65°F

18°C

Humidity 24%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 30 Dec 07:25 AM PST
Extended Forecast for

Altadena CA

  • Today

    Today: Mostly cloudy, with a high near 67. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain, mainly after 10am. High near 65. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 65 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. The rain could be heavy at times. Low around 54. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 54 °F

    Heavy Rain

  • New Year's Day

    New Year's Day: Rain. The rain could be heavy at times. High near 61. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 61 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 67. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 10am. High near 65. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain. The rain could be heavy at times. Low around 54. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
New Year's Day
Rain. The rain could be heavy at times. High near 61. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 61.
Friday Night
Rain likely. Mostly cloudy, with a low around 53.
Saturday
Rain likely. Mostly cloudy, with a high near 62.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 50.
Sunday
A chance of rain. Partly sunny, with a high near 61.
Sunday Night
A chance of rain. Partly cloudy, with a low around 48.
Monday
A chance of rain. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altadena CA
 34.18°N 118.14°W (Elev. 1253 ft)
Last Update:
4:37 am PST Dec 30, 2025
Forecast Valid:
7am PST Dec 30, 2025-6pm PST Jan 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