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

66°F

19°C

Humidity 54%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 31 Mar 03:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Cloudy, with a high near 55. West southwest wind around 15 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain

  • 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 between a tenth and quarter 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.

    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

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Cloudy, with a high near 55. West southwest wind around 15 mph. New precipitation amounts of less than a tenth of an inch possible.
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 between a tenth and quarter 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.
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.
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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:
4pm PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

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Chance of Precipitation