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

68°F

20°C

Humidity 27%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 08 Nov 07:54 PM PST
Extended Forecast for

9 Miles NNW Altadena CA

  • Tonight

    Tonight: Clear, with a low around 56. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. Northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Calm wind becoming northeast around 5 mph in the evening.

    Low: 58 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 56. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 79. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 58. Northeast wind around 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 79. North wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 58. Calm wind becoming northeast around 5 mph in the evening.
Veterans Day
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 51.
Thursday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 62.
Thursday Night
Rain likely. Mostly cloudy, with a low around 52.
Friday
A chance of showers. Partly sunny, with a high near 53.
Friday Night
A chance of showers. Mostly cloudy, with a low around 42.
Saturday
A chance of showers. Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Altadena CA
 34.31°N 118.19°W (Elev. 4052 ft)
Last Update:
7:11 pm PST Nov 8, 2025
Forecast Valid:
9pm PST Nov 8, 2025-6pm PST Nov 15, 2025
 
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Additional Resources

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