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

83°F

28°C

Humidity 16%
Wind Speed ESE 15 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Heat Index80°F (27°C)
Last update 11 Jul 11:53 AM PDT
Extended Forecast for

5 Miles N Altadena CA

Extreme Heat Watch July 14, 10:00am until July 16, 08:00pm
Heat Advisory July 11, 12:52pm until July 14, 10:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  •  
    Heat Advisory July 11, 12:52pm until July 14, 10:00am

    NOW until 10:00am Tue

    Heat Advisory

  • This Afternoon

    High: 85 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 75. East southeast wind around 5 mph.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. East southeast wind around 5 mph becoming south southwest in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 76. South southwest wind around 5 mph becoming east after midnight.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.

    High: 86 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 11pm. Mostly clear, with a low around 77. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of thunderstorms after 11am. Sunny, with a high near 90. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 85. South wind around 10 mph.
Tonight
Mostly cloudy, with a low around 75. East southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. East southeast wind around 5 mph becoming south southwest in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 76. South southwest wind around 5 mph becoming east after midnight.
Monday
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.
Monday Night
A slight chance of thunderstorms before 11pm. Mostly clear, with a low around 77. Chance of precipitation is 20%.
Tuesday
A slight chance of thunderstorms after 11am. Sunny, with a high near 90. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Altadena CA
 34.25°N 118.12°W (Elev. 4908 ft)
Last Update:
12:17 pm PDT Jul 11, 2026
Forecast Valid:
12pm PDT Jul 11, 2026-6pm PDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation