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

55°F

13°C

Humidity 10%
Wind Speed E 6 MPH
Barometer NA
Dewpoint -1°F (-18°C)
Visibility NA
Last update 17 Apr 10:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Tonight

    Tonight: 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: 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 49. West wind 10 to 15 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 49 °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 47. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 61. Breezy.

    High: 61 °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 Mostly
    Clear

  • Tuesday

    Tuesday: A slight chance of rain. Mostly sunny, with a high near 54. Breezy.

    High: 54 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Slight Chance
    Rain and
    Breezy then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. 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 49. 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 47. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 61. 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 before 11pm. Partly cloudy, with a low around 43. Breezy.
Wednesday
Mostly sunny, with a high near 51. Breezy.
Wednesday Night
Partly cloudy, with a low around 42. Breezy.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 57.
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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:
3:02 pm PDT Apr 17, 2026
Forecast Valid:
11pm PDT Apr 17, 2026-6pm PDT Apr 24, 2026
 
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