Hourly Weather Forecast - Irwindale, CA

12 AM
63°F
0%
3mph
ENE
Clear
Humidity
59%
Feels like
63°F
Dew Point
49°F
1 AM
63°F
0%
3mph
NE
Clear
Humidity
57%
Feels like
63°F
Dew Point
47°F
2 AM
62°F
0%
3mph
NE
Clear
Humidity
57%
Feels like
62°F
Dew Point
47°F
3 AM
62°F
0%
3mph
NE
Clear
Humidity
59%
Feels like
62°F
Dew Point
47°F
4 AM
61°F
0%
3mph
NE
Clear
Humidity
61%
Feels like
61°F
Dew Point
47°F
5 AM
59°F
0%
3mph
NE
Clear
Humidity
64%
Feels like
59°F
Dew Point
47°F
6 AM
60°F
0%
3mph
NE
Clear
Humidity
62%
Feels like
60°F
Dew Point
47°F
6:52 AM
7 AM
62°F
0%
3mph
NE
Sunny
Humidity
63%
Feels like
62°F
Dew Point
49°F
8 AM
64°F
0%
3mph
NE
Sunny
Humidity
61%
Feels like
64°F
Dew Point
51°F
9 AM
67°F
0%
3mph
SSW
Sunny
Humidity
55%
Feels like
67°F
Dew Point
50°F
10 AM
69°F
0%
3mph
SSW
Sunny
Humidity
51%
Feels like
69°F
Dew Point
50°F
11 AM
71°F
0%
4mph
SW
Mostly Sunny
Humidity
49%
Feels like
71°F
Dew Point
51°F
12 PM
73°F
0%
5mph
SW
Mostly Sunny
Humidity
46%
Feels like
73°F
Dew Point
51°F
1 PM
75°F
0%
6mph
SW
Mostly Sunny
Humidity
44%
Feels like
75°F
Dew Point
51°F
2 PM
75°F
0%
6mph
SW
Partly Cloudy
Humidity
44%
Feels like
75°F
Dew Point
52°F
3 PM
73°F
0%
6mph
SW
Partly Cloudy
Humidity
48%
Feels like
73°F
Dew Point
52°F
4 PM
70°F
0%
6mph
SW
Partly Cloudy
Humidity
53%
Feels like
70°F
Dew Point
52°F
4:45 PM
5 PM
66°F
0%
5mph
SW
Partly Cloudy
Humidity
64%
Feels like
66°F
Dew Point
54°F
6 PM
64°F
0%
4mph
SW
Mostly Clear
Humidity
68%
Feels like
64°F
Dew Point
53°F
7 PM
62°F
0%
3mph
SW
Mostly Clear
Humidity
71%
Feels like
62°F
Dew Point
53°F
8 PM
62°F
0%
3mph
SSW
Mostly Clear
Humidity
74%
Feels like
62°F
Dew Point
53°F
9 PM
61°F
0%
2mph
SE
Partly Cloudy
Humidity
73%
Feels like
61°F
Dew Point
52°F
10 PM
61°F
0%
2mph
ESE
Partly Cloudy
Humidity
71%
Feels like
61°F
Dew Point
51°F
11 PM
61°F
0%
2mph
E
Partly Cloudy
Humidity
70%
Feels like
61°F
Dew Point
51°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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