Hourly Weather Forecast - Irwindale, CA

12 AM
61°F
0%
3mph
NE
Clear
Humidity
58%
Feels like
61°F
Dew Point
46°F
1 AM
60°F
0%
3mph
NE
Clear
Humidity
57%
Feels like
60°F
Dew Point
45°F
2 AM
60°F
0%
3mph
NE
Clear
Humidity
56%
Feels like
60°F
Dew Point
45°F
3 AM
60°F
0%
3mph
NNE
Mostly Clear
Humidity
57%
Feels like
60°F
Dew Point
44°F
4 AM
60°F
0%
3mph
NNE
Mostly Clear
Humidity
57%
Feels like
60°F
Dew Point
44°F
5 AM
59°F
0%
4mph
NNE
Mostly Clear
Humidity
55%
Feels like
59°F
Dew Point
43°F
6 AM
60°F
0%
4mph
NNE
Clear
Humidity
55%
Feels like
60°F
Dew Point
44°F
6:51 AM
7 AM
62°F
0%
4mph
NNE
Sunny
Humidity
56%
Feels like
62°F
Dew Point
46°F
8 AM
64°F
0%
4mph
NNE
Sunny
Humidity
57%
Feels like
64°F
Dew Point
49°F
9 AM
66°F
0%
4mph
N
Sunny
Humidity
55%
Feels like
66°F
Dew Point
50°F
10 AM
68°F
0%
3mph
NW
Sunny
Humidity
51%
Feels like
68°F
Dew Point
50°F
11 AM
71°F
0%
4mph
W
Sunny
Humidity
48%
Feels like
71°F
Dew Point
50°F
12 PM
73°F
0%
4mph
WSW
Sunny
Humidity
45%
Feels like
73°F
Dew Point
50°F
1 PM
74°F
0%
5mph
WSW
Sunny
Humidity
42%
Feels like
74°F
Dew Point
50°F
2 PM
75°F
0%
5mph
WSW
Sunny
Humidity
43%
Feels like
75°F
Dew Point
51°F
3 PM
73°F
0%
5mph
W
Sunny
Humidity
48%
Feels like
73°F
Dew Point
52°F
4 PM
71°F
0%
5mph
WNW
Sunny
Humidity
53%
Feels like
71°F
Dew Point
53°F
4:44 PM
5 PM
68°F
0%
4mph
NW
Clear
Humidity
60%
Feels like
68°F
Dew Point
53°F
6 PM
65°F
0%
4mph
N
Clear
Humidity
64%
Feels like
65°F
Dew Point
53°F
7 PM
64°F
0%
4mph
NNE
Clear
Humidity
67%
Feels like
64°F
Dew Point
53°F
8 PM
63°F
0%
4mph
NNE
Clear
Humidity
69%
Feels like
63°F
Dew Point
53°F
9 PM
63°F
0%
4mph
NNE
Clear
Humidity
67%
Feels like
63°F
Dew Point
52°F
10 PM
63°F
0%
5mph
NNE
Clear
Humidity
64%
Feels like
63°F
Dew Point
51°F
11 PM
63°F
0%
5mph
NNE
Clear
Humidity
63%
Feels like
63°F
Dew Point
50°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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