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

70°F

21°C

Humidity 27%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 14 Apr 01:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. West southwest wind around 15 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56. Breezy, with a west northwest wind 10 to 20 mph becoming southwest in the morning. Winds could gust as high as 25 mph.

    High: 56 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 56 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 38. Windy.

    Low: 38 °F

    Clear and
    Windy

  • Friday

    Friday: Sunny, with a high near 56. Windy.

    High: 56 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 53. West southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 43. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 56. Breezy, with a west northwest wind 10 to 20 mph becoming southwest in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 56. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 38. Windy.
Friday
Sunny, with a high near 56. Windy.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 61. Breezy.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 63. Breezy.
Sunday Night
Mostly clear, with a low around 46. Breezy.
Monday
Sunny, with a high near 56. 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:
12:02 pm PDT Apr 14, 2026
Forecast Valid:
2pm PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
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