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

72°F

22°C

Humidity 16%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 05 Apr 06:54 PM PDT
Extended Forecast for

12 Miles NNW Mount Wilson CA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 51 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. Breezy.

    High: 62 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming northeast after midnight.
Monday
Sunny, with a high near 66. West wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 52. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 68. Breezy, with a west northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Clear, with a low around 51. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 68. Breezy.
Wednesday Night
Partly cloudy, with a low around 54. Breezy.
Thursday
Partly sunny, with a high near 62. Breezy.
Thursday Night
Partly cloudy, with a low around 50. Breezy.
Friday
A slight chance of rain, then a chance of rain and thunderstorms after 11am. Mostly sunny, with a high near 55. Breezy.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 47. Breezy.
Saturday
A chance of rain. Partly sunny, with a high near 53.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Sunday
A slight chance of rain. Mostly sunny, with a high near 56. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mount Wilson CA
 34.39°N 118.12°W (Elev. 5531 ft)
Last Update:
11:27 am PDT Apr 5, 2026
Forecast Valid:
7pm PDT Apr 5, 2026-6pm PDT Apr 12, 2026
 
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