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

ACTON (ATNC1)

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

NA

58°F

14°C

Humidity 71%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 31 Mar 06:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Tonight

    Tonight: Rain, mainly before 11pm. Low around 37. Wind chill values as low as 30. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 52. Wind chill values as low as 30 early. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon.

    High: 52 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon.

    High: 54 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. Breezy, with a west wind 15 to 20 mph becoming north northeast in the evening.

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 59. Windy.

    High: 59 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, mainly before 11pm. Low around 37. Wind chill values as low as 30. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 52. Wind chill values as low as 30 early. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 42. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight.
Thursday
Sunny, with a high near 54. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 44. Breezy, with a west wind 15 to 20 mph becoming north northeast in the evening.
Friday
Mostly sunny, with a high near 59. Windy.
Friday Night
Partly cloudy, with a low around 52. Breezy.
Saturday
Sunny, with a high near 64. Breezy.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mount Wilson CA
 34.38°N 118.18°W (Elev. 5915 ft)
Last Update:
4:22 pm PDT Mar 31, 2026
Forecast Valid:
7pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

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Chance of Precipitation