Hazardous Weather Conditions
Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
47°F
8°C
| Humidity | 83% |
| Wind Speed | SSW 5 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Wind Chill | 45°F (7°C) |
| Last update | 15 Feb 07:54 PM PST |
Extended Forecast for
9 Miles NNW Altadena CA
Winter Storm Watch February 17, 09:00pm until February 19, 09:00am
Flood Watch February 16, 09:00am until February 16, 09:00pm
High Wind Warning February 16, 06:00am until February 16, 06:00pm
Tonight
Low: 36 °F
Slight Chance
Rain then
RainWashington's Birthday
High: 46 °F
Heavy Rain
and BreezyMonday Night
Low: 33 °F
Rain and
BreezyTuesday
High: 46 °F
Chance Rain
and WindyTuesday Night
Low: 32 °F
Rain and
WindyWednesday
High: 45 °F
Breezy. Rain
Likely then
Chance RainWednesday Night
Low: 33 °F
Chance
Rain/Snow
then Chance
SnowThursday
High: 44 °F
Rain/Snow
Likely then
Rain Likely
and BreezyThursday Night
Low: 32 °F
Chance
Rain/Snow
then Slight
Chance Snow
Detailed Forecast
Tonight
Rain, mainly after 4am. Low around 36. Wind chill values as low as 30. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Washington's Birthday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 46. Wind chill values as low as 25 early. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.
Monday Night
Rain and possibly a thunderstorm. Low around 33. Wind chill values as low as 25. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 46. Wind chill values as low as 25 early. Windy, with a south southwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 32. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain likely, mainly before 10am. Partly sunny, with a high near 45. Breezy. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 10am, then rain likely. Partly sunny, with a high near 44. Breezy.
Thursday Night
A chance of rain and snow before 10pm, then a slight chance of snow. Partly cloudy, with a low around 32.
Friday
A slight chance of snow before 10am, then a slight chance of rain. Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 59.
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)
1:07 pm PST Feb 15, 2026
8pm PST Feb 15, 2026-6pm PST Feb 22, 2026
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