Hazardous Weather Conditions

Current conditions at

ACTON (ATNC1)

Lat: 34.44639°NLon: 118.1968°WElev: 2600.0ft.

NA

44°F

7°C

Humidity 90%
Wind Speed NE 10 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 01 Jan 12:54 AM PST
Extended Forecast for

9 Miles NNW Altadena CA

Flood Watch January 1, 01:06am until January 1, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch January 1, 01:06am until January 1, 10:00pm

    NOW until 10:00pm Thu

    Flood Watch

  • Overnight

    Low: 45 °F

    Rain

  • New Year's Day

    New Year's Day: Rain and possibly a thunderstorm.  High near 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 54 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 42. South southeast wind around 10 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 54. South wind around 10 mph, with gusts as high as 15 mph.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 45. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 10am.  Cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain.  Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 51.

    High: 51 °F

    Rain

Detailed Forecast

Overnight
Rain, with thunderstorms also possible after 4am. Low around 45. Southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
New Year's Day
Rain and possibly a thunderstorm. High near 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 42. South southeast wind around 10 mph.
Friday
Mostly cloudy, with a high near 54. South wind around 10 mph, with gusts as high as 15 mph.
Friday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 45. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly after 10am. Cloudy, with a high near 55. Chance of precipitation is 60%.
Saturday Night
Rain. Low around 46. Chance of precipitation is 80%.
Sunday
Rain. Cloudy, with a high near 51.
Sunday Night
Rain likely, mainly before 4am. Mostly cloudy, with a low around 45.
Monday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 52.
Monday Night
A chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Mostly cloudy, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Altadena CA
 34.31°N 118.19°W (Elev. 4052 ft)
12:22 am PST Jan 1, 2026
1am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

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