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

66°F

19°C

Humidity 90%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Last update 10 Oct 01:40 AM PDT
Extended Forecast for

Altadena CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 67. East southeast wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, cloudy, with a high near 82. East southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 82 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 64. West wind 5 to 10 mph becoming north northeast in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 11am. High near 70. West wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 11pm. Low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers

  • Columbus Day

    Columbus Day: Showers. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

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

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 67. East southeast wind around 5 mph.
Saturday
Patchy fog before 11am. Otherwise, cloudy, with a high near 82. East southeast wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 64. West wind 5 to 10 mph becoming north northeast in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 11am. High near 70. West wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly after 11pm. Low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
Showers. High near 62. Chance of precipitation is 80%.
Monday Night
A 50 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 87.
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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:
11:56 pm PDT Oct 9, 2026
Forecast Valid:
1am PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
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Additional Resources

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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