Current conditions at

ACTON (ATNC1)

Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.

NA

50°F

10°C

Humidity 89%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 05 Sep 05:54 AM PDT
Extended Forecast for

12 Miles NNW Altadena CA

  • Today

    Today: Sunny, with a high near 69. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 11pm.  Increasing clouds, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 66. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 71. West northwest wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 15 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am.  Mostly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 69. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after 11pm. Increasing clouds, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Showers likely, with thunderstorms also possible after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 66. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 61. South southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Labor Day
Sunny, with a high near 71. West northwest wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 65.
Tuesday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Altadena CA
 34.33°N 118.22°W (Elev. 4711 ft)
1:26 am PDT Sep 5, 2026
6am PDT Sep 5, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

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