Hazardous Weather Conditions
Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
44°F
7°C
| Humidity | 90% |
| Wind Speed | NE 10 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Wind Chill | 39°F (4°C) |
| Last update | 01 Jan 12:54 AM PST |
Extended Forecast for
9 Miles NNW Altadena CA
Flood Watch January 1, 01:06am until January 1, 10:00pm
NOW until 10:00pm Thu

Flood Watch
Overnight

Low: 45 °F
Rain
New Year's Day

High: 54 °F
Rain and
BreezyThursday Night
Low: 42 °F
Slight Chance
Rain then
Mostly CloudyFriday

High: 54 °F
Mostly Cloudy
Friday Night

Low: 45 °F
Chance Rain
Saturday

High: 55 °F
Rain Likely
Saturday Night

Low: 46 °F
Rain
Sunday

High: 51 °F
Rain
Detailed Forecast
Overnight
Rain, with thunderstorms also possible after 4am. Low around 45. Southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
New Year's Day
Rain and possibly a thunderstorm. High near 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 42. South southeast wind around 10 mph.
Friday
Mostly cloudy, with a high near 54. South wind around 10 mph, with gusts as high as 15 mph.
Friday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 45. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly after 10am. Cloudy, with a high near 55. Chance of precipitation is 60%.
Saturday Night
Rain. Low around 46. Chance of precipitation is 80%.
Sunday
Rain. Cloudy, with a high near 51.
Sunday Night
Rain likely, mainly before 4am. Mostly cloudy, with a low around 45.
Monday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 52.
Monday Night
A chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Mostly cloudy, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Additional Forecasts and Information
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ABOUT 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)
12:22 am PST Jan 1, 2026
1am PST Jan 1, 2026-6pm PST Jan 7, 2026



