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

53°F

12°C

Humidity 52%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 18 Apr 11:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. South southeast wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 62 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 61. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Rain likely after 11am. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 70%.

    High: 51 °F

    Rain Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before 11pm. Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Breezy.
    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. Breezy.

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Breezy.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. South southeast wind around 5 mph.
Sunday
Sunny, with a high near 62. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 61. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 46. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Rain likely after 11am. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of rain before 11pm. Partly cloudy, with a low around 40. Breezy.
Wednesday
Mostly sunny, with a high near 51. Breezy.
Wednesday Night
Mostly clear, with a low around 42. Breezy.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 53.
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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:
11:26 pm PDT Apr 18, 2026
Forecast Valid:
12am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

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