Hazardous Weather Conditions
Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
51°F
11°C
| Humidity | 63% |
| Wind Speed | S 14 MPH |
| Barometer | NA |
| Dewpoint | 39°F (4°C) |
| Visibility | NA |
| Last update | 25 Dec 03:54 AM PST |
Extended Forecast for
9 Miles NNW Altadena CA
Flood Watch December 25, 04:48am until December 26, 04:00pm
Flood Warning until December 25, 06:00am
High Wind Warning December 25, 04:48am until December 25, 03:00pm
NOW: Multiple hazards in effect
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Overnight
Low: 43 °F
Chance
Showers and
BreezyChristmas Day
High: 49 °F
Showers
Likely and
BreezyThursday Night
Low: 44 °F
Showers and
BreezyFriday
High: 48 °F
Showers
Friday Night
Low: 36 °F
Showers
Likely then
Chance
ShowersSaturday
High: 50 °F
Slight Chance
ShowersSaturday Night
Low: 37 °F
Mostly Clear
Sunday
High: 52 °F
Sunny
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Christmas Day
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 49. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers. Low around 44. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday
Showers. High near 48. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 36. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 39. Breezy.
Monday
Sunny, with a high near 54. Breezy.
Monday Night
Mostly clear, with a low around 41. Breezy.
Tuesday
Sunny, with a high near 58. Breezy.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Wednesday
A chance of showers. Partly sunny, with a high near 57.
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)
3:21 am PST Dec 25, 2025
4am PST Dec 25, 2025-6pm PST Dec 31, 2025
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