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

ACTON (ATNC1)

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

NA

52°F

11°C

Humidity 10%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint -3°F (-19°C)
Visibility NA
Last update 18 Apr 01:54 AM PDT
Extended Forecast for

13 Miles NNW Mount Wilson CA

  • Overnight

    Overnight: Clear, with a low around 46. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Breezy, with a northeast wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. West southwest wind 5 to 15 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 63 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Clear and
    Breezy then
    Clear

  • Monday

    Monday: Sunny, with a high near 61. Breezy.

    High: 61 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A slight chance of rain. Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Slight Chance
    Rain and
    Breezy then
    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 46. Northeast wind around 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 65. Breezy, with a northeast wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Saturday Night
Mostly cloudy, with a low around 50. West southwest wind 5 to 15 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 63. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Clear, with a low around 46. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 61. Breezy.
Monday Night
Mostly clear, with a low around 45. Breezy.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 52. Breezy.
Tuesday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 42. Breezy.
Wednesday
Mostly sunny, with a high near 52. Breezy.
Wednesday Night
Mostly clear, with a low around 41. Breezy.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 45. Breezy.
Friday
Sunny, with a high near 57.
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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:
1:01 am PDT Apr 18, 2026
Forecast Valid:
2am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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