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

Hazardous Weather Conditions

Current conditions at

ACTON (ATNC1)

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

NA

74°F

23°C

Humidity 29%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 16 Apr 03:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

Wind Advisory April 17, 04:00am until April 17, 02:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 56. Breezy, with a west wind around 20 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 41. 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 45. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 45 °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 59. Breezy.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 56. Breezy, with a west wind around 20 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 41. 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 45. Northeast wind around 15 mph, with gusts as high as 20 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 59. Breezy.
Monday Night
Mostly clear, with a low around 45. Breezy.
Tuesday
Sunny, with a high near 53. Breezy.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 44. Breezy.
Wednesday
Mostly sunny, with a high near 52. Breezy.
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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:
12:42 pm PDT Apr 16, 2026
Forecast Valid:
4pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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