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

56°F

13°C

Humidity 60%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 26 May 07:54 PM PDT
Extended Forecast for

12 Miles NNW Mount Wilson CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 11am. Mostly sunny, with a high near 48. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Wind chill values as low as 30. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of showers after 11am. Mostly sunny, with a high near 48. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 37. Wind chill values as low as 30. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 51. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 38. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 60.
Friday Night
Clear, with a low around 47.
Saturday
Sunny, with a high near 70.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mount Wilson CA
 34.39°N 118.12°W (Elev. 5531 ft)
Last Update:
8:26 pm PDT May 26, 2026
Forecast Valid:
8pm PDT May 26, 2026-6pm PDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation