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

49°F

9°C

Humidity 68%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 08 Apr 01:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Overnight

    Overnight: Clear, with a low around 52. North northwest wind around 5 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Breezy, with a west wind 15 to 25 mph decreasing to 5 to 15 mph in the evening. Winds could gust as high as 30 mph.

    Low: 51 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 60. Breezy, with a west southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 60 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Windy, with a south southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the evening. Winds could gust as high as 40 mph.

    Low: 50 °F

    Partly Cloudy
    and Windy
    then Partly
    Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 55. Windy.

    High: 55 °F

    Slight Chance
    Rain and
    Windy

  • Friday Night

    Friday Night: A chance of rain and thunderstorms before 11pm, then rain likely between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 44. Windy. Chance of precipitation is 70%.

    Low: 44 °F

    Rain Likely
    and Windy

  • Saturday

    Saturday: Rain likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 48. Breezy.

    High: 48 °F

    Rain Likely
    and Breezy

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Chance Rain
    and Breezy

Detailed Forecast

Overnight
Clear, with a low around 52. North northwest wind around 5 mph.
Wednesday
Sunny, with a high near 66. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 51. Breezy, with a west wind 15 to 25 mph decreasing to 5 to 15 mph in the evening. Winds could gust as high as 30 mph.
Thursday
Mostly sunny, with a high near 60. Breezy, with a west southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 50. Windy, with a south southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the evening. Winds could gust as high as 40 mph.
Friday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 55. Windy.
Friday Night
A chance of rain and thunderstorms before 11pm, then rain likely between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 44. Windy. Chance of precipitation is 70%.
Saturday
Rain likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 48. Breezy.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42. Breezy.
Sunday
A chance of rain. Partly sunny, with a high near 47. Breezy.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 40. Breezy.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 58.
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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:
11:27 pm PDT Apr 7, 2026
Forecast Valid:
2am PDT Apr 8, 2026-6pm PDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation