Hazardous Weather Conditions
Current conditions at
ACTON (ATNC1)
Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.NA
57°F
14°C
| Humidity | 44% |
| Wind Speed | NE 3 MPH |
| Barometer | NA |
| Dewpoint | 35°F (2°C) |
| Visibility | NA |
| Last update | 20 Mar 05:54 AM PDT |
Extended Forecast for
9 Miles NNW Altadena CA
Extreme Heat Warning March 20, 06:28am until March 20, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
Today

High: 88 °F
Sunny
Tonight

Low: 58 °F
Clear
Saturday
High: 81 °F
Sunny then
Sunny and
BreezySaturday Night

Low: 55 °F
Partly Cloudy
Sunday

High: 81 °F
Sunny
Sunday Night

Low: 57 °F
Clear
Monday

High: 85 °F
Sunny
Monday Night

Low: 56 °F
Clear
Detailed Forecast
Today
Sunny, with a high near 88. East northeast wind 5 to 15 mph becoming south southwest in the morning. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 58. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 81. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 55. West southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 81. North wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 85.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 82.
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)
12:41 am PDT Mar 20, 2026
6am PDT Mar 20, 2026-6pm PDT Mar 26, 2026



