Current conditions at

ACTON (ATNC1)

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

NA

50°F

10°C

Humidity 73%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 12 Apr 02:54 AM PDT
Extended Forecast for

13 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

  • Overnight

    Low: 41 °F

    Rain Likely
    and Breezy

  • Sunday

    Sunday: Rain and possibly a thunderstorm.  High near 45. Wind chill values as low as 30. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm.  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 10 to 15 mph after midnight. Winds could gust as high as 40 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Breezy, with a west southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Breezy, with a west southwest wind 15 to 20 mph becoming east southeast 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 41. Breezy, with a south wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain and possibly a thunderstorm. High near 45. Wind chill values as low as 30. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 30 percent chance of rain before 11pm. 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 10 to 15 mph after midnight. Winds could gust as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 45. Breezy, with a west southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Monday Night
Mostly clear, with a low around 39. Breezy, with a west southwest wind 15 to 20 mph becoming east southeast 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 55. Breezy.
Thursday Night
Mostly clear, with a low around 43. Breezy.
Friday
Sunny, with a high near 57.
Friday Night
Clear, with a low around 47.
Saturday
Sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mount Wilson CA
 34.38°N 118.18°W (Elev. 5915 ft)
12:52 am PDT Apr 12, 2026
3am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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