Current conditions at

ACTON (ATNC1)

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

NA

88°F

31°C

Humidity 22%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index85°F (29°C)
Last update 02 Aug 09:54 AM PDT
Extended Forecast for

10 Miles NNW Altadena CA

Extreme Heat Warning August 2, 10:01am until August 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 2, 10:01am until August 2, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 71. South wind 5 to 10 mph.

    Low: 71 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 69. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 71. South wind 5 to 10 mph.
Monday
Sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Clear, with a low around 69. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Clear, with a low around 69.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 70.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 71.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 71.
Saturday
Sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Altadena CA
 34.33°N 118.22°W (Elev. 4711 ft)
6:11 am PDT Aug 2, 2026
10am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database