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

86°F

30°C

Humidity 25%
Wind Speed SSW 15 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index83°F (28°C)
Last update 22 Aug 05:53 PM PDT
Extended Forecast for

8 Miles NNW Altadena CA

Extreme Heat Watch August 25, 10:00am until August 28, 08:00pm
Heat Advisory August 23, 10:00am until August 25, 10:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 79. South southwest wind 5 to 10 mph becoming east after midnight.

    Low: 79 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. East wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South southwest wind 5 to 10 mph becoming east northeast after midnight.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. East northeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 80. Southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 79. South southwest wind 5 to 10 mph becoming east after midnight.
Sunday
Sunny, with a high near 90. East wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 79. South southwest wind 5 to 10 mph becoming east northeast after midnight.
Monday
Sunny, with a high near 89. East northeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 80. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 81.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Partly cloudy, with a low around 80.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 79.
Saturday
Sunny and hot, with a high near 98.
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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:
2:31 pm PDT Aug 22, 2026
Forecast Valid:
6pm PDT Aug 22, 2026-6pm PDT Aug 29, 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