Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
50°F
10°C
| Humidity | 89% |
| Wind Speed | NNE 3 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Last update | 05 Sep 05:54 AM PDT |
Extended Forecast for
12 Miles NNW Altadena CA
Today

High: 69 °F
Sunny
Tonight

Low: 60 °F
Slight Chance
ShowersSunday

High: 66 °F
Showers
LikelySunday Night

Low: 61 °F
Mostly Clear
Labor Day

High: 71 °F
Sunny
Monday Night

Low: 65 °F
Mostly Clear
Tuesday

High: 74 °F
Slight Chance
ShowersTuesday Night

Low: 68 °F
Partly Cloudy
Wednesday

High: 76 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 69. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after 11pm. Increasing clouds, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Showers likely, with thunderstorms also possible after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 66. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 61. South southwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Labor Day
Sunny, with a high near 71. West northwest wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 65.
Tuesday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
12 Miles NNW Altadena CA
34.33°N 118.22°W (Elev. 4711 ft)
34.33°N 118.22°W (Elev. 4711 ft)
1:26 am PDT Sep 5, 2026
6am PDT Sep 5, 2026-6pm PDT Sep 11, 2026


