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

45°F

7°C

Humidity 71%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 16 Apr 05:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 57. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 57 °F

    Partly Sunny
    then
    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 41. Wind chill values as low as 30. Windy, with a west northwest wind 15 to 20 mph becoming northeast 25 to 30 mph after midnight. Winds could gust as high as 40 mph.

    Low: 41 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 50. Wind chill values as low as 30 early. Very windy, with a northeast wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 50 °F

    Sunny and
    Very Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Breezy, with a northeast wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Breezy.

    High: 63 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 57. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 41. Wind chill values as low as 30. Windy, with a west northwest wind 15 to 20 mph becoming northeast 25 to 30 mph after midnight. Winds could gust as high as 40 mph.
Friday
Sunny, with a high near 50. Wind chill values as low as 30 early. Very windy, with a northeast wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 55 mph.
Friday Night
Mostly clear, with a low around 46. Northeast wind around 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 65. Breezy, with a northeast wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 63. Breezy.
Sunday Night
Mostly clear, with a low around 45. Breezy.
Monday
Sunny, with a high near 57. Breezy.
Monday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 45. Breezy.
Tuesday
Mostly sunny, with a high near 52. Breezy.
Tuesday Night
Mostly clear, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 55. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mount Wilson CA
 34.38°N 118.18°W (Elev. 5915 ft)
Last Update:
1:02 am PDT Apr 16, 2026
Forecast Valid:
6am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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