Altadena, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 65°F
Feels Like 65°F  
Humidity 24% Dew Point 28°F Wind NNE 3 MPH Gusts 4 Barometer N/A
Report from a MADIS/MESONET weather station 0.2 mi. SW of central Altadena
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Point Forecast at a Glance

ThuNov 27
Thu Nov 27: Mostly Cloudy, High 76F, Low 54F
76
54
FriNov 28
Fri Nov 28: Sunny, High 72F, Low 50F
72
50
SatNov 29
Sat Nov 29: Sunny, High 71F, Low 49F
71
49
SunNov 30
Sun Nov 30: Sunny, High 66F, Low 48F
66
48
MonDec 1
Mon Dec 1: Sunny, High 67F, Low 49F
67
49
TueDec 2
Tue Dec 2: Sunny, High 67F, Low 47F
67
47
WedDec 3
Wed Dec 3: Sunny, High 62F
62
 

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 76°F to 62°F. Dry weather expected throughout the week.

Climate Context

This week's forecast shows temperatures running 2°F above the historical average for November-December. Normal highs for this period are around 67°F with lows around 45°F.

This Date in Weather History

1988 - Snow and high winds created blizzard conditions in Minnesota. Winds gusted to 63 mph at Windom, and snowfall totals ranged up to 14 inches at Aitkin. Snow drifts seven feet high closed many roads. Fargo ND reported a wind chill reading of 34 degrees below zero.

More on this and other weather history

Altadena, CA 7 Day Weather Forecast Details

Thursday Nov 27

Mostly Cloudy

Day: Mostly cloudy, with a high near 76. Northeast wind around 5 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 54. North northeast wind around 5 mph.

Friday Nov 28

Sunny

Day: Sunny, with a high near 72. Calm wind becoming south southwest around 5 mph.

Mostly Clear

Night: Mostly clear, with a low around 50. North northeast wind around 5 mph.

Saturday Nov 29

Sunny

Day: Sunny, with a high near 71. East northeast wind around 5 mph becoming southwest in the morning.

Mostly Clear

Night: Mostly clear, with a low around 49.

Sunday Nov 30

Sunny

Day: Sunny, with a high near 66.

Mostly Clear

Night: Mostly clear, with a low around 48.

Monday Dec 1

Sunny

Day: Sunny, with a high near 67.

Mostly Clear

Night: Mostly clear, with a low around 49.

Tuesday Dec 2

Sunny

Day: Sunny, with a high near 67.

Partly Cloudy

Night: Patchy fog. Otherwise, mostly cloudy, with a low around 47.

Wednesday Dec 3

Sunny

Day: Patchy fog. Otherwise, partly sunny, with a high near 62.


About Altadena, CA

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.