Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
68°F
20°C
| Humidity | 87% |
| Wind Speed | NNE 4 MPH |
| Barometer | NA |
| Dewpoint | 64°F (18°C) |
| Visibility | NA |
| Last update | 07 Sep 09:54 AM PDT |
Extended Forecast for
12 Miles NNW Altadena CA
Labor Day
High: 72 °F
Chance Rain
then Slight
Chance
T-stormsTonight

Low: 69 °F
Mostly Clear
Tuesday

High: 78 °F
Slight Chance
ShowersTuesday Night

Low: 73 °F
Mostly Clear
Wednesday

High: 82 °F
Sunny
Wednesday Night

Low: 76 °F
Mostly Clear
Thursday

High: 81 °F
Sunny
Thursday Night

Low: 71 °F
Mostly Clear
Friday

High: 75 °F
Sunny
Detailed Forecast
Labor Day
A 30 percent chance of rain and thunderstorms, mainly before 11am. Mostly sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 69. Southwest wind around 5 mph becoming east after midnight.
Tuesday
A slight chance of showers before 11am, then a slight chance of rain after 11am. Mostly sunny, with a high near 78. East northeast wind 5 to 10 mph becoming west southwest in the morning. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 73. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 82. Northeast wind 5 to 10 mph becoming light and variable.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 75.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 71.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 71.
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)
6:41 am PDT Sep 7, 2026
10am PDT Sep 7, 2026-6pm PDT Sep 13, 2026


