Hourly Weather Forecast - Altadena, CA

12 AM
58°F
0%
1mph
E
Partly Cloudy
Humidity
83%
Feels like
58°F
Dew Point
53°F
1 AM
58°F
0%
2mph
ENE
Partly Cloudy
Humidity
80%
Feels like
58°F
Dew Point
52°F
2 AM
58°F
0%
2mph
ENE
Partly Cloudy
Humidity
80%
Feels like
58°F
Dew Point
52°F
3 AM
58°F
0%
2mph
ENE
Partly Cloudy
Humidity
79%
Feels like
58°F
Dew Point
52°F
4 AM
58°F
0%
2mph
ENE
Partly Cloudy
Humidity
78%
Feels like
58°F
Dew Point
51°F
5 AM
58°F
0%
2mph
ENE
Partly Cloudy
Humidity
77%
Feels like
58°F
Dew Point
51°F
6 AM
59°F
0%
2mph
NE
Partly Cloudy
Humidity
76%
Feels like
59°F
Dew Point
51°F
6:54 AM
7 AM
61°F
0%
2mph
ENE
Partly Cloudy
Humidity
73%
Feels like
61°F
Dew Point
52°F
8 AM
64°F
0%
1mph
E
Partly Cloudy
Humidity
70%
Feels like
64°F
Dew Point
53°F
9 AM
66°F
0%
1mph
SE
Mostly Sunny
Humidity
66%
Feels like
66°F
Dew Point
54°F
10 AM
67°F
0%
1mph
S
Mostly Sunny
Humidity
64%
Feels like
67°F
Dew Point
54°F
11 AM
68°F
0%
2mph
SSW
Mostly Sunny
Humidity
63%
Feels like
68°F
Dew Point
55°F
12 PM
68°F
0%
3mph
SSW
Mostly Sunny
Humidity
65%
Feels like
68°F
Dew Point
56°F
1 PM
68°F
0%
3mph
SSW
Partly Cloudy
Humidity
67%
Feels like
68°F
Dew Point
57°F
2 PM
67°F
0%
3mph
SSW
Partly Cloudy
Humidity
70%
Feels like
67°F
Dew Point
57°F
3 PM
66°F
0%
3mph
SW
Mostly Sunny
Humidity
73%
Feels like
66°F
Dew Point
57°F
4 PM
64°F
0%
3mph
SW
Mostly Sunny
Humidity
77%
Feels like
64°F
Dew Point
56°F
4:46 PM
5 PM
62°F
0%
2mph
SW
Mostly Clear
Humidity
79%
Feels like
62°F
Dew Point
56°F
6 PM
62°F
0%
2mph
SW
Mostly Clear
Humidity
77%
Feels like
62°F
Dew Point
54°F
7 PM
61°F
0%
2mph
SW
Mostly Clear
Humidity
75%
Feels like
61°F
Dew Point
53°F
8 PM
61°F
0%
1mph
SSE
Mostly Clear
Humidity
72%
Feels like
61°F
Dew Point
52°F
9 PM
60°F
0%
1mph
E
Mostly Clear
Humidity
71%
Feels like
60°F
Dew Point
51°F
10 PM
60°F
0%
2mph
ENE
Mostly Clear
Humidity
70%
Feels like
60°F
Dew Point
50°F
11 PM
60°F
0%
2mph
ENE
Mostly Clear
Humidity
67%
Feels like
60°F
Dew Point
49°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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