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 33%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 13 Mar 06:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Today

    Today: Mostly sunny, with a high near 74. Northeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 71 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 58. Breezy, with a west northwest wind 15 to 20 mph becoming west northwest 5 to 10 mph in the evening. Winds could gust as high as 35 mph.

    Low: 58 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 72. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 72 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 74. Northeast wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 62. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 71. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Clear, with a low around 58. Breezy, with a west northwest wind 15 to 20 mph becoming west northwest 5 to 10 mph in the evening. Winds could gust as high as 35 mph.
Sunday
Sunny, with a high near 72. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Clear, with a low around 71.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 68.
Thursday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
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:
6:57 am PDT Mar 13, 2026
Forecast Valid:
7am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation