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

55°F

13°C

Humidity 35%
Wind Speed NNE 13 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 17 Apr 08:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

Wind Advisory April 17, 09:59am until April 17, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 17, 09:59am until April 17, 02:00pm

    NOW until 2:00pm Fri

    Wind Advisory

  • Today

    High: 50 °F

    Sunny and
    Very Windy

  • Tonight

    Tonight: Clear, with a low around 46. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: 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

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. West wind 10 to 15 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. East wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • 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 60. Breezy.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

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

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Today
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.
Tonight
Clear, with a low around 46. Northeast wind around 15 mph, with gusts as high as 20 mph.
Saturday
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 51. West wind 10 to 15 mph becoming east after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 63. East wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 45. Breezy.
Monday
Sunny, with a high near 60. Breezy.
Monday Night
Mostly clear, with a low around 45. Breezy.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 54. Breezy.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 52. Breezy.
Wednesday Night
Partly cloudy, with a low around 43. Breezy.
Thursday
Sunny, with a high near 56.
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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:
9:47 am PDT Apr 17, 2026
Forecast Valid:
9am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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