Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
40°F
4°C
| Humidity | 99% |
| Wind Speed | NNE 4 MPH |
| Barometer | NA |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Wind Chill | 37°F (3°C) |
| Last update | 02 Jan 03:54 AM PST |
Extended Forecast for
9 Miles NNW Altadena CA
Overnight
Low: 41 °F
Slight Chance
RainFriday
High: 55 °F
Chance Rain
Friday Night
Low: 47 °F
Rain
Saturday
High: 52 °F
Rain
Saturday Night
Low: 45 °F
Rain then
Chance
ShowersSunday
High: 51 °F
Rain Likely
Sunday Night
Low: 43 °F
Rain Likely
Monday
High: 52 °F
Chance Rain
Monday Night
Low: 41 °F
Chance Rain
Detailed Forecast
Overnight
A 20 percent chance of rain. Partly cloudy, with a low around 41. East southeast wind around 5 mph.
Friday
A 40 percent chance of rain, mainly after 10am. Increasing clouds, with a high near 55. South southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain, mainly after 10pm. Low around 47. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 52. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain before 10pm, then a chance of showers between 10pm and 4am, then a chance of rain after 4am. Low around 45. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain likely, mainly after 10am. Cloudy, with a high near 51. Chance of precipitation is 70%.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Monday
A chance of rain. Partly sunny, with a high near 52.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain, mainly before 4pm. Partly sunny, with a high near 52.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Wednesday
A slight chance of rain. Partly sunny, with a high near 53.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 50.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
9 Miles NNW Altadena CA
34.31°N 118.19°W (Elev. 4052 ft)
34.31°N 118.19°W (Elev. 4052 ft)
2:11 am PST Jan 2, 2026
4am PST Jan 2, 2026-6pm PST Jan 8, 2026
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