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

83°F

28°C

Humidity 11%
Wind Speed SW 16 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Heat Index80°F (27°C)
Last update 01 Sep 11:54 AM PDT
Extended Forecast for

13 Miles NW Mount Wilson CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 71 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 56. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Clear and
    Breezy then
    Clear

  • Thursday

    Thursday: Sunny, with a high near 69. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69. Breezy.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers. Mostly sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 71. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 56. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Clear, with a low around 57. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 69. 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 57.
Friday
Sunny, with a high near 69. Breezy.
Friday Night
Mostly clear, with a low around 58.
Saturday
A slight chance of showers. Mostly sunny, with a high near 71.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63.
Sunday
A chance of showers. Partly sunny, with a high near 71.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65.
Labor Day
A chance of showers. Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NW Mount Wilson CA
 34.38°N 118.2°W (Elev. 5302 ft)
Last Update:
12:06 pm PDT Sep 1, 2026
Forecast Valid:
12pm PDT Sep 1, 2026-6pm PDT Sep 7, 2026
 
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Additional Resources

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