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

61°F

16°C

Humidity 87%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 13 Oct 03:40 AM PDT
Extended Forecast for

Altadena CA

Flood Watch October 13, 08:00pm until October 14, 03:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. East southeast wind around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 66 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain, mainly after 11pm. Low around 53. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 60. South southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 60 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before 11pm. Partly cloudy, with a low around 48. South southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. East southeast wind around 5 mph.
Columbus Day
Mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Rain, mainly after 11pm. Low around 53. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 60. South southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
A 40 percent chance of showers before 11pm. Partly cloudy, with a low around 48. South southwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 72.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 76.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 77.
Basemap Options
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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:
2:07 am PDT Oct 13, 2025
Forecast Valid:
3am PDT Oct 13, 2025-6pm PDT Oct 19, 2025
 
Forecast Discussion
 
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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