Weather Altadena weekend

Weather forecast for Altadena for this and next weekend.
Today
9/5/25
84 / 70 °F
Tomorrow
9/6/25
93 / 64 °F
Sunday
9/7/25
93 / 66 °F
Saturday during the day clear. Sunday during the day clear.
Friday, Sep 5
image/svg+xml
84 / 70°F
0.00 in image/svg+xml 6 mph
75 °F 77 °F 8 pm
73 °F 75 °F 9 pm
72 °F 75 °F 10 pm
70 °F 73 °F 11 pm
sunrise 6:28 am
sunset 7:12 pm
HOURLY
During the day the highest temperature 84 °F. At night clear. The lowest temperature 70 °F.

Interactive map weather California, USA


GPS: 34.1897; -118.1312
altitude: 1377 ft
local time:
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Weather forecast Altadena, California, USA extended forecast

Time State   Temp.   Feels like Precip. Wind PressureHumidity Dew total
 
Fog Low
 
Middle
 
High
 

Friday 09/05/2025

6 PM
9 PM 
clear 84 °F
84 °F
0.0 in
  9 fps 6 mph
southwest
29.8 in37 % 54  °F0 % 0% 0% 0% 0%
7 PM
10 PM 
clear 79 °F
81 °F
0.0 in
  7 fps 5 mph
southwest
29.8 in46 % 55  °F0 % 0% 0% 0% 0%
8 PM
11 PM 
clear 75 °F
77 °F
0.0 in
  6 fps 4 mph
south-southwest
29.8 in56 % 59  °F0 % 0% 0% 0% 0%
9 PM
12 AM 
clear 73 °F
77 °F
0.0 in
  5 fps 3 mph
south-southwest
29.8 in64 % 59  °F0 % 0% 0% 0% 0%
10 PM
1 AM 
clear 72 °F
75 °F
0.0 in
  4 fps 3 mph
south-southwest
29.9 in73 % 61  °F0 % 0% 0% 0% 0%
11 PM
2 AM 
clear 70 °F
73 °F
0.0 in
  3 fps 2 mph
south-southwest
29.9 in79 % 63  °F0 % 0% 0% 0% 0%

Saturday 09/06/2025

12 AM
3 AM 
clear 70 °F
75 °F
0.0 in
  2 fps 1 mph
south
29.9 in82 % 63  °F0 % 0% 0% 0% 0%
1 AM
4 AM 
clear 68 °F
73 °F
0.0 in
  2 fps 1 mph
south
29.9 in86 % 63  °F0 % 0% 0% 0% 0%
2 AM
5 AM 
clear 68 °F
73 °F
0.0 in
  2 fps 1 mph
south-southeast
29.9 in88 % 63  °F0 % 0% 0% 0% 0%
3 AM
6 AM 
clear 66 °F
70 °F
0.0 in
  3 fps 2 mph
south-southeast
29.9 in89 % 63  °F0 % 0% 0% 0% 0%
4 AM
7 AM 
clear 66 °F
70 °F
0.0 in
  3 fps 2 mph
south-southeast
29.9 in91 % 63  °F0 % 0% 0% 0% 0%
5 AM
8 AM 
clear 64 °F
68 °F
0.0 in
  2 fps 1 mph
south
29.9 in93 % 63  °F0 % 0% 0% 0% 0%
6 AM
9 AM 
clear 64 °F
68 °F
0.0 in
  2 fps 1 mph
south-southeast
29.9 in94 % 61  °F2 % 0% 2% 0% 0%
7 AM
10 AM 
fog 64 °F
68 °F
0.0 in
  3 fps 2 mph
southeast
29.9 in94 % 61  °F45 % 43% 45% 0% 0%
8 AM
11 AM 
partly cloudy 68 °F
72 °F
0.0 in
  3 fps 2 mph
south
29.9 in85 % 63  °F14 % 0% 14% 0% 0%
9 AM
12 PM 
clear 72 °F
75 °F
0.0 in
  4 fps 2 mph
south
29.9 in71 % 61  °F2 % 0% 2% 0% 0%
10 AM
1 PM 
clear 77 °F
81 °F
0.0 in
  5 fps 4 mph
south
29.9 in57 % 59  °F0 % 0% 0% 0% 0%
11 AM
2 PM 
clear 82 °F
84 °F
0.0 in
  7 fps 4 mph
south
29.9 in45 % 57  °F0 % 0% 0% 0% 0%
12 PM
3 PM 
clear 86 °F
88 °F
0.0 in
  8 fps 5 mph
south
29.9 in37 % 57  °F0 % 0% 0% 0% 0%
1 PM
4 PM 
clear 90 °F
90 °F
0.0 in
  9 fps 6 mph
south
29.9 in31 % 55  °F0 % 0% 0% 0% 0%
2 PM
5 PM 
clear 93 °F
93 °F
0.0 in
  10 fps 7 mph
south-southwest
29.9 in28 % 54  °F0 % 0% 0% 0% 0%
3 PM
6 PM 
clear 91 °F
91 °F
0.0 in
  10 fps 7 mph
south-southwest
29.9 in30 % 55  °F0 % 0% 0% 0% 0%
4 PM
7 PM 
clear 90 °F
90 °F
0.0 in
  10 fps 7 mph
southwest
29.9 in31 % 55  °F0 % 0% 0% 0% 0%
5 PM
8 PM 
clear 88 °F
88 °F
0.0 in
  10 fps 6 mph
southwest
29.9 in32 % 54  °F0 % 0% 0% 0% 0%
6 PM
9 PM 
clear 84 °F
84 °F
0.0 in
  9 fps 6 mph
southwest
29.9 in36 % 54  °F0 % 0% 0% 0% 0%
7 PM
10 PM 
clear 79 °F
79 °F
0.0 in
  8 fps 5 mph
south-southwest
29.9 in44 % 55  °F0 % 0% 0% 0% 0%
8 PM
11 PM 
clear 75 °F
77 °F
0.0 in
  6 fps 4 mph
south-southwest
29.9 in52 % 57  °F0 % 0% 0% 0% 0%
9 PM
12 AM 
clear 73 °F
75 °F
0.0 in
  5 fps 3 mph
south-southwest
30.0 in58 % 57  °F0 % 0% 0% 0% 0%
10 PM
1 AM 
clear 72 °F
73 °F
0.0 in
  5 fps 3 mph
south
30.0 in65 % 59  °F0 % 0% 0% 0% 0%
11 PM
2 AM 
clear 72 °F
75 °F
0.0 in
  5 fps 3 mph
south-southeast
30.0 in69 % 59  °F0 % 0% 0% 0% 0%
 

Altadena, California, USA - information

State: California, USA
GPS coordinates: 34.1897; -118.1312
Time zone: America / Los Angeles time difference in hours with time in NY is -9 hours

Population: 42 777
Altitude: 1377 ft
The administrative part:



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Weather Altadena, California, USA. Weather forecast Altadena.



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Data source

Weather forecast for Altadena is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Altadena

data are always in the local time

Sun and light

 Sept. 5, 2025 
Sunrise: Sunset: 
6:28 am 7:12 pm
Noon: Length of day: 
12:51 pm12:43
Start of civil twilight*: End of civil twilight*: 
6:02 am7:38 pm
Start of nautical twilight*: End of nautical twilight*: 
5:33 am8:07 pm
Start of astronomical twilight*:  End of astronomical twilight*: 
5:02 am8:38 pm
* What is Twilight?

Moon and moon phases

Moonrise: Moonset: 
09/04/2025 5:42 pm 09/05/2025 4:04 am
Next new moon: Next full moon: 
09/21/202509/07/2025

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