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 58%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 07 Dec 01:54 AM PST
Extended Forecast for

10 Miles NNW Altadena CA

  • Overnight

    Overnight: Mostly clear, with a low around 45. North northeast wind around 10 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. East northeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 53. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 53 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 45. North northeast wind around 10 mph.
Sunday
Sunny, with a high near 59. East northeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 45. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 53. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday
Sunny, with a high near 64. Breezy.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 65.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 63.
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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:
1:41 am PST Dec 7, 2025
Forecast Valid:
3am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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Additional Resources

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