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

85°F

29°C

Humidity 20%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index82°F (28°C)
Last update 07 Apr 01:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. West wind around 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tonight

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

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. North wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Breezy, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 52 °F

    Clear and
    Breezy then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

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

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Slight Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 49. Breezy.

    High: 49 °F

    Rain Likely
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 66. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 52. West wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 66. North wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 52. Breezy, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Mostly sunny, with a high near 62. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Thursday Night
Partly cloudy, with a low around 50. Breezy.
Friday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 56. Breezy.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 44. Breezy.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 49. Breezy.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41.
Sunday
A chance of rain. Partly sunny, with a high near 46. Breezy.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 40. Breezy.
Monday
Sunny, with a high near 51.
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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:
11:32 am PDT Apr 7, 2026
Forecast Valid:
2pm PDT Apr 7, 2026-6pm PDT Apr 13, 2026
 
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