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

56°F

13°C

Humidity 62%
Wind Speed NE 9 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 22 Nov 01:54 PM PST
Extended Forecast for

10 Miles NNW Altadena CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 50. Breezy, with a north northeast wind around 25 mph, with gusts as high as 35 mph.

    High: 50 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 42. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 53. North northeast wind around 5 mph becoming west southwest in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. North wind around 5 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 53. North northwest wind around 5 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Breezy.

    Low: 47 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 50. Breezy, with a north northeast wind around 25 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 42. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 53. North northeast wind around 5 mph becoming west southwest in the afternoon.
Sunday Night
Clear, with a low around 42. North wind around 5 mph.
Monday
Sunny, with a high near 53. North northwest wind around 5 mph.
Monday Night
Clear, with a low around 47.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 47. Breezy.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 49. Breezy.
Thanksgiving Day
Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Altadena CA
 34.33°N 118.22°W (Elev. 4711 ft)
Last Update:
1:07 pm PST Nov 22, 2025
Forecast Valid:
2pm PST Nov 22, 2025-6pm PST Nov 28, 2025
 
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