Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
40°F
4°C
| Humidity | 53% |
| Wind Speed | NE 8 MPH |
| Barometer | NA |
| Dewpoint | 24°F (-4°C) |
| Visibility | NA |
| Wind Chill | 35°F (2°C) |
| Last update | 21 Feb 03:54 AM PST |
Extended Forecast for
9 Miles NNW Altadena CA
This Afternoon
High: 69 °F
Mostly Sunny
Tonight
Low: 50 °F
Mostly Clear
Tuesday
High: 72 °F
Mostly Sunny
Tuesday Night
Low: 50 °F
Mostly Clear
Wednesday
High: 73 °F
Sunny
Wednesday Night
Low: 51 °F
Mostly Clear
Thursday
High: 76 °F
Mostly Sunny
Thursday Night
Low: 53 °F
Mostly Clear
Friday
High: 79 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 69. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 50. North northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 72. Northeast wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 50. North wind around 5 mph.
Wednesday
Sunny, with a high near 73. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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 23, 2026
2pm PST Feb 23, 2026-6pm PST Mar 1, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
