Hazardous Weather Conditions
Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
47°F
8°C
| Humidity | 91% |
| Wind Speed | WSW 8 MPH |
| Barometer | NA |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Wind Chill | 43°F (6°C) |
| Last update | 17 Nov 07:54 PM PST |
Extended Forecast for
10 Miles NNW Altadena CA
Wind Advisory until November 17, 09:00pm
Flash Flood Warning until November 17, 09:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 37 °F
Showers then
Chance
ShowersTuesday
High: 40 °F
Chance
ShowersTuesday Night
Low: 38 °F
Slight Chance
Showers then
Mostly ClearWednesday
High: 43 °F
Sunny
Wednesday Night
Low: 40 °F
Partly Cloudy
Thursday
High: 46 °F
Chance
ShowersThursday Night
Low: 39 °F
Showers
LikelyFriday
High: 46 °F
Chance
Showers
Detailed Forecast
Tonight
Showers, mainly before 10pm. Low around 37. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 10am and 4pm. Mostly sunny, with a high near 40. South southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 38. Calm wind becoming northeast around 5 mph in the evening.
Wednesday
Sunny, with a high near 43. Northeast wind around 5 mph becoming southwest in the morning.
Wednesday Night
Partly cloudy, with a low around 40. West southwest wind around 5 mph becoming south after midnight.
Thursday
A 30 percent chance of showers after 10am. Mostly cloudy, with a high near 46.
Thursday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 46.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 43. Breezy.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 51.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
10 Miles NNW Altadena CA
34.33°N 118.22°W (Elev. 4711 ft)
34.33°N 118.22°W (Elev. 4711 ft)
8:41 pm PST Nov 17, 2025
8pm PST Nov 17, 2025-6pm PST Nov 24, 2025
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