Current conditions at

ACTON (ATNC1)

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

NA

57°F

14°C

Humidity 69%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 23 Jun 01:54 AM PDT
Extended Forecast for

13 Miles NNW Altadena CA

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

    Overnight: Clear, with a low around 66. South southwest wind around 5 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 71. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 66. South southwest wind around 5 mph.
Tuesday
Sunny, with a high near 86. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 86. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 71. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 75.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 66.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Altadena CA
 34.38°N 118.2°W (Elev. 5302 ft)
1:52 am PDT Jun 23, 2026
2am PDT Jun 23, 2026-6pm PDT Jun 29, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database