Hourly Weather Forecast - Irwindale, CA

12 AM
66°F
0%
4mph
NE
Mostly Clear
Humidity
54%
Feels like
66°F
Dew Point
49°F
1 AM
65°F
0%
4mph
NE
Mostly Clear
Humidity
54%
Feels like
65°F
Dew Point
48°F
2 AM
65°F
0%
4mph
NE
Mostly Clear
Humidity
53%
Feels like
65°F
Dew Point
47°F
3 AM
64°F
0%
4mph
NE
Mostly Clear
Humidity
54%
Feels like
64°F
Dew Point
47°F
4 AM
63°F
0%
4mph
NE
Mostly Clear
Humidity
54%
Feels like
63°F
Dew Point
46°F
5 AM
63°F
0%
4mph
NE
Mostly Clear
Humidity
55%
Feels like
63°F
Dew Point
46°F
6 AM
63°F
0%
4mph
NE
Clear
Humidity
55%
Feels like
63°F
Dew Point
47°F
6:52 AM
7 AM
65°F
0%
4mph
NE
Sunny
Humidity
53%
Feels like
65°F
Dew Point
47°F
8 AM
68°F
0%
4mph
ENE
Sunny
Humidity
49%
Feels like
68°F
Dew Point
48°F
9 AM
71°F
0%
4mph
ESE
Sunny
Humidity
46%
Feels like
71°F
Dew Point
49°F
10 AM
73°F
0%
3mph
S
Sunny
Humidity
44%
Feels like
73°F
Dew Point
50°F
11 AM
76°F
0%
4mph
SSW
Sunny
Humidity
42%
Feels like
76°F
Dew Point
51°F
12 PM
78°F
0%
4mph
SSW
Sunny
Humidity
41%
Feels like
78°F
Dew Point
52°F
1 PM
79°F
0%
5mph
SW
Sunny
Humidity
41%
Feels like
79°F
Dew Point
53°F
2 PM
79°F
0%
5mph
SW
Sunny
Humidity
42%
Feels like
79°F
Dew Point
54°F
3 PM
78°F
0%
5mph
SW
Sunny
Humidity
44%
Feels like
78°F
Dew Point
54°F
4 PM
75°F
0%
5mph
SW
Sunny
Humidity
49%
Feels like
75°F
Dew Point
54°F
4:45 PM
5 PM
72°F
0%
4mph
SW
Clear
Humidity
54%
Feels like
72°F
Dew Point
54°F
6 PM
69°F
0%
4mph
SW
Clear
Humidity
60%
Feels like
69°F
Dew Point
54°F
7 PM
66°F
0%
3mph
SW
Clear
Humidity
64%
Feels like
66°F
Dew Point
54°F
8 PM
65°F
0%
3mph
SW
Clear
Humidity
66%
Feels like
65°F
Dew Point
53°F
9 PM
64°F
0%
3mph
ENE
Clear
Humidity
66%
Feels like
64°F
Dew Point
52°F
10 PM
63°F
0%
3mph
ENE
Clear
Humidity
66%
Feels like
63°F
Dew Point
51°F
11 PM
63°F
0%
3mph
ENE
Clear
Humidity
64%
Feels like
63°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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