Current conditions at

ACTON (ATNC1)

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

NA

67°F

19°C

Humidity 60%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 21 Jun 08:54 PM PDT
Extended Forecast for

9 Miles NNW Altadena CA

Heat Advisory June 23, 08:00am until June 25, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Clear, with a low around 53. West wind 5 to 10 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. West northwest wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57. South southwest wind 5 to 10 mph becoming light south  after midnight.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Light south wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. South southwest wind 5 to 10 mph becoming light  in the evening.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 53. West wind 5 to 10 mph.
Monday
Sunny, with a high near 83. West northwest wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 57. South southwest wind 5 to 10 mph becoming light south after midnight.
Tuesday
Sunny, with a high near 88. Light south wind becoming south southwest 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. South southwest wind 5 to 10 mph becoming light in the evening.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 74.
Friday Night
Clear, with a low around 53.
Saturday
Sunny, with a high near 70.
Saturday Night
Clear, with a low around 51.
Sunday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Altadena CA
 34.31°N 118.19°W (Elev. 4052 ft)
8:32 pm PDT Jun 21, 2026
9pm PDT Jun 21, 2026-6pm PDT Jun 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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