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

Hazardous Weather Conditions

Current conditions at

ACTON (ATNC1)

Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.

NA

51°F

11°C

Humidity 26%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 03 Dec 07:54 PM PST
Extended Forecast for

10 Miles NNW Altadena CA

Wind Advisory December 3, 08:09pm until December 4, 03:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 3, 08:09pm until December 4, 03:00pm

    NOW until 3:00pm Thu

    Wind Advisory

  • Tonight

    Low: 41 °F

    Mostly Clear
    and Windy

  • Thursday

    Thursday: Sunny, with a high near 50. Breezy, with a northeast wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 50 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 43. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 55. Northeast wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Wind chill values as low as 30. Windy, with a northeast wind 20 to 30 mph, with gusts as high as 40 mph.
Thursday
Sunny, with a high near 50. Breezy, with a northeast wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Thursday Night
Clear, with a low around 43. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 55. Northeast wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Clear, with a low around 46. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 57.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Altadena CA
 34.33°N 118.22°W (Elev. 4711 ft)
Last Update:
3:27 pm PST Dec 3, 2025
Forecast Valid:
8pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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