Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
61°F
16°C
| Humidity | 43% |
| Wind Speed | SE 4 MPH |
| Barometer | NA |
| Dewpoint | 38°F (3°C) |
| Visibility | NA |
| Last update | 28 Nov 04:54 PM PST |
Extended Forecast for
10 Miles NNW Altadena CA
Tonight

Low: 47 °F
Mostly Clear
Saturday

High: 56 °F
Sunny
Saturday Night

Low: 43 °F
Clear
Sunday

High: 53 °F
Sunny
Sunday Night
Low: 39 °F
Mostly Clear
then Mostly
Clear and
BreezyMonday

High: 51 °F
Sunny
Monday Night

Low: 44 °F
Mostly Clear
Tuesday

High: 50 °F
Sunny
Tuesday Night

Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 47. West northwest wind 5 to 10 mph becoming east in the evening.
Saturday
Sunny, with a high near 56. Northeast wind around 5 mph becoming west in the afternoon.
Saturday Night
Clear, with a low around 43. East northeast wind around 5 mph.
Sunday
Sunny, with a high near 53. West southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 39. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 45.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 51.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT 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)
1:07 pm PST Nov 28, 2025
5pm PST Nov 28, 2025-6pm PST Dec 5, 2025


