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Altadena, CA Weather Forecast and Current Conditions (91001)

Current Conditions From Nearby Local Station  

Clear 54°F
Feels Like 54°F  
Humidity 95% Dew Point 53°F Wind Calm 0 MPH Barometer 29.86 in.758.4 mm
Solar Rad 0 w/m2
Report from a MADIS/MESONET station 0.5 miles SSE of central Altadena
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Current Conditions From Nearby Local Station  

Clear 54°F
Feels Like 54°F  
Humidity 95% Dew Point 53°F Wind Calm 0 MPH Barometer 29.86 in.758.4 mm
Solar Rad 0 w/m2
Report from a MADIS/MESONET station 0.5 miles SSE of central Altadena
at

Point Forecast at a Glance

ThuOct 9
Thu Oct 9: Thunderstorms, High 83°F, Low 63°F
30%
83°
63°
FriOct 10
Fri Oct 10: Thunderstorms, High 86°F, Low 59°F
20%
86°
59°
SatOct 11
Sat Oct 11: Sunny, High 79°F, Low 53°F
79°
53°
SunOct 12
Sun Oct 12: Sunny, High 77°F, Low 52°F
77°
52°
MonOct 13
Mon Oct 13: Sunny, High 72°F, Low 50°F
72°
50°
TueOct 14
Tue Oct 14: Rain, High 68°F, Low 49°F
30%
68°
49°
WedOct 15
Wed Oct 15: Sunny, High 69°F, Low 48°F
10%
69°
48°


This Date in Weather History

1987 - Eighteen cities in the southeastern U.S. and the Middle Atlantic Coast Region reported record low temperatures for the date. Asheville NC dipped to 29 degrees, and the record low of 47 degrees at Jacksonville FL marked their fourth of the month. A second surge of cold air brought light snow to the Northern Plains, particularly the Black Hills of South Dakota.

More on this and other weather history


Altadena 7 Day Weather Forecast Details

Thursday Oct 9

Thunderstorms

Day: A slight chance of rain showers between 11am and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. South southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Thunderstorms

Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday Oct 10

Thunderstorms

Day: A slight chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 86. South southeast wind around 5 mph. Chance of precipitation is 20%.

Clear

Night: Mostly clear, with a low around 59. South southeast wind around 5 mph.

Saturday Oct 11

Sunny

Day: Sunny, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Clear

Night: Mostly clear, with a low around 53.

Sunday Oct 12

Sunny

Day: Sunny, with a high near 77.

Patchy Fog

Night: Patchy fog after 11pm. Partly cloudy, with a low around 52.

Monday Oct 13

Sunny

Day: Patchy fog before 11am. Mostly sunny, with a high near 72.

Showers with Mostly Cloudy

Night: A slight chance of rain after 5am. Mostly cloudy, with a low around 50.

Tuesday Oct 14

Rain

Day: A chance of rain. Partly sunny, with a high near 68.

Rain

Night: A chance of rain before 5am. Mostly cloudy, with a low around 49.

Wednesday Oct 15

Sunny

Day: Mostly sunny, with a high near 69.

Partly Cloudy

Night: Partly cloudy, with a low around 48.

Sun & Moon   Monthly

First Light 6:29 AM

Sunrise 6:54 AM

Sunset 6:27 PM

Last Light 6:52 PM

Moonrise 8:00 PM

Moonset 9:49 AM

Moon Phase
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Weather Near Altadena

Pico Rivera, CA

Barrington, CA

Contiguous United States Extremes

Wed's High Temperature
103 at 16 Miles Southwest Of Tecopa, CA

Thu's Low Temperature
18 at 32 Miles West-southwest Of Bynum, MT


Weather Folklore

Everything is lovely when the goose honks high.


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About Altadena, California

Altadena (AL-tə-DEE-nə) is an unincorporated area, and census-designated place in the San Gabriel Valley and the Verdugos regions of Los Angeles County, California. Directly north of Pasadena, it is located approximately 14 miles (23 km) from Downtown Los Angeles. Its population was 42,846 at the 2020 census, up slightly from a 2010 figure of 42,777. In early 2025, the community was severely impacted by the Eaton Fire.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.