Current conditions at

ACTON (ATNC1)

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

NA

57°F

14°C

Humidity 27%
Wind Speed SE 10 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 15 Feb 03:54 PM PST
Extended Forecast for

13 Miles NNW Mount Wilson CA

Winter Storm Watch February 17, 09:00pm until February 19, 09:00am
Flood Watch February 16, 09:00am until February 16, 09:00pm
High Wind Warning February 16, 06:00am until February 16, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
Flood Watch
High Wind Warning
  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 45. Wind chill values as low as 30. Breezy, with a south wind around 20 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A slight chance of rain between 10pm and 4am, then rain, possibly mixed with snow.  Low around 34. Wind chill values as low as 25. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain/Snow and
    Breezy

  • Washington's Birthday

    Washington's Birthday: Rain, possibly mixed with snow, becoming all rain after 7am. The rain could be heavy at times. Some thunder is also possible.  High near 40. Wind chill values as low as 20. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Windy.
    Rain/Snow
    then Heavy
    Rain

  • Monday Night

    Monday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. Some thunder is also possible.  Low around 29. Wind chill values as low as 15. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 50 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Windy.
    Rain/Snow
    then Snow

  • Tuesday

    Tuesday: Snow, mainly after 4pm.  High near 40. Windy, with a southwest wind 25 to 30 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 40 °F

    Windy. Chance
    Snow then
    Snow

  • Tuesday Night

    Tuesday Night: Snow before 10pm, then rain between 10pm and 4am, then rain, possibly mixed with snow after 4am.  Low around 27. Very windy.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow and
    Very Windy

  • Wednesday

    Wednesday: Snow likely, mainly before 10am.  Partly sunny, with a high near 40. Windy.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    and Windy
    then Slight
    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow.  Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Chance Snow
    and Breezy

  • Thursday

    Thursday: Snow likely, mainly between 10am and 4pm.  Partly sunny, with a high near 37. Breezy.

    High: 37 °F

    Snow Likely
    and Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 45. Wind chill values as low as 30. Breezy, with a south wind around 20 mph, with gusts as high as 25 mph.
Tonight
A slight chance of rain between 10pm and 4am, then rain, possibly mixed with snow. Low around 34. Wind chill values as low as 25. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Washington's Birthday
Rain, possibly mixed with snow, becoming all rain after 7am. The rain could be heavy at times. Some thunder is also possible. High near 40. Wind chill values as low as 20. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Some thunder is also possible. Low around 29. Wind chill values as low as 15. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday
Snow, mainly after 4pm. High near 40. Windy, with a southwest wind 25 to 30 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Snow before 10pm, then rain between 10pm and 4am, then rain, possibly mixed with snow after 4am. Low around 27. Very windy. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly before 10am. Partly sunny, with a high near 40. Windy. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 33. Breezy.
Thursday
Snow likely, mainly between 10am and 4pm. Partly sunny, with a high near 37. Breezy.
Thursday Night
A chance of snow, mainly before 10pm. Partly cloudy, with a low around 32. Breezy.
Friday
Sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mount Wilson CA
 34.38°N 118.18°W (Elev. 5915 ft)
1:07 pm PST Feb 15, 2026
4pm PST Feb 15, 2026-6pm PST Feb 21, 2026
 
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Additional Resources

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