National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

ACTON (ATNC1)

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

NA

84°F

29°C

Humidity 27%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index82°F (28°C)
Last update 18 Mar 09:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

Extreme Heat Warning March 18, 10:19am until March 20, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning March 18, 10:19am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 68. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 70. West northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. East northeast wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 67. Breezy.

    Low: 67 °F

    Clear and
    Breezy then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 80. East northeast wind around 10 mph becoming west in the afternoon.
Tonight
Clear, with a low around 68. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 83. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 70. West northwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 83. East northeast wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Clear, with a low around 67. Breezy.
Saturday
Sunny, with a high near 80. Breezy.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
Sunny, with a high near 73. Breezy.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mount Wilson CA
 34.38°N 118.18°W (Elev. 5915 ft)
Last Update:
2:22 am PDT Mar 18, 2026
Forecast Valid:
10am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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