Current conditions at

ACTON (ATNC1)

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

NA

82°F

28°C

Humidity 31%
Wind Speed W 8 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index81°F (27°C)
Last update 21 Jun 11:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

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

    This Afternoon: Sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 67. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 61. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 67. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 65.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 77.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mount Wilson CA
 34.39°N 118.15°W (Elev. 5312 ft)
11:52 am PDT Jun 21, 2026
12pm PDT Jun 21, 2026-6pm PDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database