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

Hazardous Weather Conditions

Current conditions at

CHILAO (CHOC1)

Lat: 34.33167°NLon: 118.03028°WElev: 5450.0ft.

NA

49°F

9°C

Humidity 17%
Wind Speed NNE 31 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 29 Dec 02:53 PM PST
Extended Forecast for

8 Miles NNW Altadena CA

Wind Advisory until December 29, 08:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 29, 08:00pm

    NOW until 8:00pm Mon

    Wind Advisory

  • This Afternoon

    High: 61 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 10am. Cloudy, with a high near 62. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain. The rain could be heavy at times. Low around 54. Chance of precipitation is 100%.

    Low: 54 °F

    Heavy Rain

  • New Year's Day

    New Year's Day: Rain. The rain could be heavy at times. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Breezy, with a northeast wind around 25 mph, with gusts as high as 35 mph.
Tonight
Increasing clouds, with a low around 54. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly cloudy, with a high near 64. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 15 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly after 10am. Cloudy, with a high near 62. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. 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. Chance of precipitation is 100%.
New Year's Day
Rain. The rain could be heavy at times. High near 60. Chance of precipitation is 90%.
Thursday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 55.
Friday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 61.
Friday Night
Showers likely. Mostly cloudy, with a low around 53.
Saturday
Showers likely. Mostly cloudy, with a high near 60.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Partly sunny, with a high near 59.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Altadena CA
 34.29°N 118.19°W (Elev. 2566 ft)
Last Update:
2:26 pm PST Dec 29, 2025
Forecast Valid:
3pm PST Dec 29, 2025-6pm PST Jan 4, 2026
 
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