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

80°F

27°C

Humidity 23%
Wind Speed WSW 9 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index79°F (26°C)
Last update 06 Apr 02:54 PM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. West wind around 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Tonight

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

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: 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. Breezy, with a north wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61. Breezy.

    High: 61 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: A slight chance of rain, with thunderstorms also possible after 11am. Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Slight Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 64. West wind around 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 52. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
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. Breezy, with a north wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 52. Breezy.
Thursday
Partly sunny, with a high near 61. Breezy.
Thursday Night
Partly cloudy, with a low around 49. Breezy.
Friday
A slight chance of rain, with thunderstorms also possible after 11am. Mostly sunny, with a high near 55. Breezy.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 46. 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 45.
Sunday
A slight chance of rain. Partly sunny, with a high near 50. 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:
11:27 am PDT Apr 6, 2026
Forecast Valid:
3pm PDT Apr 6, 2026-6pm PDT Apr 12, 2026
 
Forecast Discussion
 
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