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

42°F

6°C

Humidity 90%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 28 Mar 05:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Today

    Today: Sunny, with a high near 71. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. Southwest wind 5 to 15 mph becoming southeast in the evening. Winds could gust as high as 25 mph.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Breezy, with a southwest 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

  • Sunday Night

    Sunday Night: Clear, with a low around 59. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 35 mph.

    Low: 59 °F

    Clear and
    Breezy then
    Clear

  • Monday

    Monday: Sunny, with a high near 64. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Breezy.

    High: 60 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: A slight chance of rain before 11am. Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 71. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 63. Southwest wind 5 to 15 mph becoming southeast in the evening. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 71. Breezy, with a 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
Clear, with a low around 59. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 35 mph.
Monday
Sunny, with a high near 64. Breezy, with a 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
Mostly cloudy, with a low around 52. Breezy.
Tuesday
Mostly cloudy, with a high near 60. Breezy.
Tuesday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 50. Breezy.
Wednesday
A slight chance of rain before 11am. Mostly sunny, with a high near 56. Breezy.
Wednesday Night
Partly cloudy, with a low around 47. Breezy.
Thursday
Mostly sunny, with a high near 55. Breezy.
Thursday Night
Mostly clear, with a low around 44. Breezy.
Friday
Sunny, with a high near 59. Breezy.
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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:
5:37 am PDT Mar 28, 2026
Forecast Valid:
6am PDT Mar 28, 2026-6pm PDT Apr 3, 2026
 
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