Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
48°F
9°C
| Humidity | 58% |
| Wind Speed | NE 4 MPH |
| Barometer | NA |
| Dewpoint | 34°F (1°C) |
| Visibility | NA |
| Wind Chill | 47°F (8°C) |
| Last update | 07 Dec 01:54 AM PST |
Extended Forecast for
10 Miles NNW Altadena CA
Overnight

Low: 45 °F
Mostly Clear
Sunday

High: 59 °F
Sunny
Sunday Night

Low: 45 °F
Mostly Clear
Monday

High: 61 °F
Sunny and
BreezyMonday Night

Low: 53 °F
Clear and
BreezyTuesday
High: 64 °F
Sunny and
Breezy then
SunnyTuesday Night

Low: 53 °F
Clear
Wednesday

High: 65 °F
Sunny
Wednesday Night

Low: 53 °F
Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 45. North northeast wind around 10 mph.
Sunday
Sunny, with a high near 59. East northeast wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 45. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 53. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday
Sunny, with a high near 64. Breezy.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 65.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 63.
Additional Forecasts and Information
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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)
1:41 am PST Dec 7, 2025
3am PST Dec 7, 2025-6pm PST Dec 13, 2025


