Current conditions at

ACTON (ATNC1)

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

NA

60°F

16°C

Humidity 56%
Wind Speed SSW 16 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 12 Apr 01:54 PM PDT
Extended Forecast for

12 Miles NNW Mount Wilson CA

Winter Weather Advisory until April 13, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 13, 11:00am

    NOW until 11:00am Mon

    Winter Weather Advisory

  • This Afternoon

    High: 47 °F

    Showers and
    Breezy

  • Tonight

    Tonight: A chance of rain showers, mixing with snow after 8pm, then gradually ending.  Partly cloudy, with a low around 38. Wind chill values as low as 30. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Rain/Snow and
    Breezy then
    Partly Cloudy

  • Monday

    Monday: A chance of rain and snow showers after 11am.  Mostly sunny, with a high near 47. Wind chill values as low as 30 early. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. West southwest wind around 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. North wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Breezy.

    High: 58 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers before 5pm, then a chance of rain after 5pm. High near 47. Breezy, with a southwest wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain showers, mixing with snow after 8pm, then gradually ending. Partly cloudy, with a low around 38. Wind chill values as low as 30. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A chance of rain and snow showers after 11am. Mostly sunny, with a high near 47. Wind chill values as low as 30 early. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 39. West southwest wind around 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 56. North wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 58. Breezy.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 56. Breezy.
Thursday Night
Mostly clear, with a low around 43. Breezy.
Friday
Sunny, with a high near 58. Breezy.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mount Wilson CA
 34.39°N 118.12°W (Elev. 5531 ft)
11:37 am PDT Apr 12, 2026
2pm PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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