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

48°F

9°C

Humidity 57%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 02 Sep 03:54 AM PDT
Extended Forecast for

12 Miles NW Mount Wilson CA

  • Today

    Today: Sunny, with a high near 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 11pm. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 58. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 68. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 59. South wind around 10 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 68. Breezy, with a south southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Clear, with a low around 58.
Saturday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 70.
Saturday Night
A chance of showers, mainly after 11pm. Partly cloudy, with a low around 63.
Sunday
A chance of showers. Partly sunny, with a high near 69.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64.
Labor Day
A slight chance of showers. Mostly sunny, with a high near 70.
Monday Night
A chance of showers. Partly cloudy, with a low around 64.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NW Mount Wilson CA
 34.36°N 118.17°W (Elev. 5367 ft)
Last Update:
1:17 am PDT Sep 2, 2026
Forecast Valid:
4am PDT Sep 2, 2026-6pm PDT Sep 8, 2026
 
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