Hazardous Weather Conditions
Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
49°F
9°C
| Humidity | 41% |
| Wind Speed | WSW 5 MPH |
| Barometer | NA |
| Dewpoint | 26°F (-3°C) |
| Visibility | NA |
| Wind Chill | 47°F (8°C) |
| Last update | 18 Feb 04:54 PM PST |
Extended Forecast for
9 Miles NNW Altadena CA
Winter Storm Warning February 18, 05:49pm until February 20, 07:00am
NOW until 7:00am Fri
Winter Storm Warning
Tonight
Low: 29 °F
Mostly Cloudy
then
Rain/Snow
LikelyThursday
High: 41 °F
Breezy.
Rain/Snow
then RainThursday Night
Low: 27 °F
Decreasing
Clouds and
BlusteryFriday
High: 45 °F
Mostly Sunny
Friday Night
Low: 30 °F
Mostly Clear
Saturday
High: 52 °F
Mostly Sunny
Saturday Night
Low: 38 °F
Partly Cloudy
Sunday
High: 58 °F
Sunny
Detailed Forecast
Tonight
Rain and snow likely after 4am. Mostly cloudy, with a low around 29. Wind chill values as low as 20. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Rain and snow likely before 10am, then rain. High near 41. Wind chill values as low as 20. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Wind chill values as low as 15. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 45. Wind chill values as low as 20 early. North wind 5 to 10 mph becoming west southwest in the afternoon.
Friday Night
Mostly clear, with a low around 30. Southwest wind around 5 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 43.
Monday
A slight chance of rain after 10am. Partly sunny, with a high near 62.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Partly sunny, with a high near 58.
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 18, 2026
5pm PST Feb 18, 2026-6pm PST Feb 25, 2026
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