Hourly Weather Forecast - Irwindale, CA

12 AM
62°F
0%
5mph
NE
Clear
Humidity
41%
Feels like
62°F
Dew Point
37°F
1 AM
61°F
0%
5mph
NNE
Clear
Humidity
39%
Feels like
61°F
Dew Point
36°F
2 AM
61°F
0%
5mph
NE
Clear
Humidity
38%
Feels like
61°F
Dew Point
35°F
3 AM
60°F
0%
5mph
NE
Clear
Humidity
38%
Feels like
60°F
Dew Point
34°F
4 AM
59°F
0%
5mph
NE
Clear
Humidity
38%
Feels like
59°F
Dew Point
33°F
5 AM
58°F
0%
5mph
NE
Clear
Humidity
39%
Feels like
58°F
Dew Point
33°F
6 AM
58°F
0%
6mph
NE
Clear
Humidity
39%
Feels like
58°F
Dew Point
34°F
6:50 AM
7 AM
60°F
0%
6mph
NE
Sunny
Humidity
40%
Feels like
60°F
Dew Point
36°F
8 AM
64°F
0%
5mph
NE
Sunny
Humidity
41%
Feels like
64°F
Dew Point
40°F
9 AM
66°F
0%
4mph
NNE
Sunny
Humidity
40%
Feels like
66°F
Dew Point
41°F
10 AM
69°F
0%
4mph
NW
Sunny
Humidity
38%
Feels like
69°F
Dew Point
43°F
11 AM
71°F
0%
4mph
WNW
Mostly Sunny
Humidity
36%
Feels like
71°F
Dew Point
43°F
12 PM
74°F
0%
3mph
W
Mostly Sunny
Humidity
35%
Feels like
74°F
Dew Point
44°F
1 PM
75°F
0%
4mph
WSW
Partly Cloudy
Humidity
33%
Feels like
75°F
Dew Point
44°F
2 PM
75°F
0%
4mph
WSW
Mostly Sunny
Humidity
35%
Feels like
75°F
Dew Point
46°F
3 PM
73°F
0%
4mph
WSW
Sunny
Humidity
38%
Feels like
73°F
Dew Point
46°F
4 PM
71°F
0%
4mph
WSW
Sunny
Humidity
43%
Feels like
71°F
Dew Point
47°F
4:44 PM
5 PM
68°F
0%
4mph
W
Clear
Humidity
48%
Feels like
68°F
Dew Point
48°F
6 PM
66°F
0%
3mph
NW
Clear
Humidity
52%
Feels like
66°F
Dew Point
48°F
7 PM
65°F
0%
3mph
NNE
Clear
Humidity
55%
Feels like
65°F
Dew Point
48°F
8 PM
64°F
0%
3mph
NNE
Clear
Humidity
58%
Feels like
64°F
Dew Point
48°F
9 PM
63°F
0%
3mph
NNE
Clear
Humidity
58%
Feels like
63°F
Dew Point
48°F
10 PM
62°F
0%
3mph
NNE
Clear
Humidity
57%
Feels like
62°F
Dew Point
47°F
11 PM
62°F
0%
3mph
NNE
Clear
Humidity
58%
Feels like
62°F
Dew Point
47°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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