Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
71°F
22°C
| Humidity | 36% |
| Wind Speed | SW 12 MPH |
| Barometer | NA |
| Dewpoint | 43°F (6°C) |
| Visibility | NA |
| Last update | 15 Apr 04:54 PM PDT |
Extended Forecast for
9 Miles NNW Altadena CA
Tonight

Low: 45 °F
Mostly Clear
Thursday

High: 62 °F
Mostly Sunny
Thursday Night
Low: 41 °F
Mostly Clear
then Clear
and BreezyFriday

High: 63 °F
Sunny and
WindyFriday Night

Low: 46 °F
Mostly Clear
Saturday

High: 72 °F
Mostly Sunny
Saturday Night

Low: 49 °F
Partly Cloudy
Sunday

High: 69 °F
Mostly Sunny
Sunday Night

Low: 44 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 45. Southwest wind 5 to 15 mph becoming northeast in the evening. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 62. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 41. Breezy, with a west northwest wind 15 to 20 mph becoming northeast 20 to 25 mph after midnight. Winds could gust as high as 35 mph.
Friday
Sunny, with a high near 63. Wind chill values as low as 30 early. Windy, with a northeast wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph.
Friday Night
Mostly clear, with a low around 46. North northeast wind around 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 65. Breezy.
Monday Night
Mostly clear, with a low around 44. Breezy.
Tuesday
Sunny, with a high near 62. Breezy.
Tuesday Night
A slight chance of rain. Mostly clear, with a low around 43. Breezy.
Wednesday
Mostly sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT 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)
12:42 pm PDT Apr 15, 2026
5pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026


