Current conditions at

ACTON (ATNC1)

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

NA

45°F

7°C

Humidity 78%
Wind Speed SSW 26 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 17 Feb 08:54 PM PST
Extended Forecast for

9 Miles NNW Altadena CA

Flood Watch until February 18, 06:00am
Flood Advisory until February 18, 06:00am
Winter Storm Warning until February 20, 07:00am
Click here for hazard details and duration
Flood Watch
Flood Advisory
Winter Storm Warning
  •  
    Flood Watch until February 18, 06:00am
    Flood Advisory until February 18, 06:00am
    Winter Storm Warning until February 20, 07:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 30 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 42. Wind chill values as low as 15. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 42 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after 4am.  Partly cloudy, with a low around 27. Wind chill values as low as 20. West wind around 10 mph, with gusts as high as 15 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Partly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow before 10am, then rain.  High near 41. Wind chill values as low as 15. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Breezy.
    Rain/Snow
    then Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 7pm, then a chance of snow.  Partly cloudy, with a low around 29. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Snow

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Tonight
Rain, with thunderstorms also possible after 10pm. Low around 30. Wind chill values as low as 15. Windy, with a southwest wind around 35 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Partly sunny, with a high near 42. Wind chill values as low as 15. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of snow after 4am. Partly cloudy, with a low around 27. Wind chill values as low as 20. West wind around 10 mph, with gusts as high as 15 mph. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 10am, then rain. High near 41. Wind chill values as low as 15. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of rain and snow before 7pm, then a chance of snow. Partly cloudy, with a low around 29. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
A slight chance of rain after 10am. Mostly sunny, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
A chance of rain. Partly sunny, with a high near 60.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Altadena CA
 34.31°N 118.19°W (Elev. 4052 ft)
7:41 pm PST Feb 17, 2026
9pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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