Hazardous Weather Conditions
Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
60°F
16°C
| Humidity | 56% |
| Wind Speed | SSW 16 MPH |
| Barometer | NA |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Last update | 12 Apr 01:54 PM PDT |
Extended Forecast for
12 Miles NNW Mount Wilson CA
Winter Weather Advisory until April 13, 11:00am
NOW until 11:00am Mon

Winter Weather Advisory
This Afternoon

High: 47 °F
Showers and
BreezyTonight
Low: 38 °F
Chance
Rain/Snow and
Breezy then
Partly CloudyMonday

High: 47 °F
Chance
Rain/SnowMonday Night

Low: 39 °F
Mostly Clear
Tuesday

High: 56 °F
Sunny
Tuesday Night

Low: 44 °F
Clear
Wednesday
High: 58 °F
Sunny then
Mostly Sunny
and BreezyWednesday Night

Low: 47 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers before 5pm, then a chance of rain after 5pm. High near 47. Breezy, with a southwest wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain showers, mixing with snow after 8pm, then gradually ending. Partly cloudy, with a low around 38. Wind chill values as low as 30. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A chance of rain and snow showers after 11am. Mostly sunny, with a high near 47. Wind chill values as low as 30 early. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Mostly clear, with a low around 39. West southwest wind around 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 56. North wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 58. Breezy.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 56. Breezy.
Thursday Night
Mostly clear, with a low around 43. Breezy.
Friday
Sunny, with a high near 58. Breezy.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 62.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
12 Miles NNW Mount Wilson CA
34.39°N 118.12°W (Elev. 5531 ft)
34.39°N 118.12°W (Elev. 5531 ft)
11:37 am PDT Apr 12, 2026
2pm PDT Apr 12, 2026-6pm PDT Apr 18, 2026



