Hourly Weather Forecast - Irwindale, CA

3 AM
54°F
0%
2mph
ESE
Partly Cloudy
Humidity
90%
Feels like
54°F
Dew Point
51°F
4 AM
53°F
0%
2mph
E
Partly Cloudy
Humidity
88%
Feels like
53°F
Dew Point
50°F
5 AM
53°F
0%
2mph
E
Partly Cloudy
Humidity
89%
Feels like
53°F
Dew Point
50°F
6 AM
54°F
0%
2mph
ENE
Partly Cloudy
Humidity
89%
Feels like
54°F
Dew Point
50°F
6:52 AM
7 AM
55°F
0%
2mph
E
Partly Cloudy
Humidity
86%
Feels like
55°F
Dew Point
51°F
8 AM
57°F
0%
2mph
ESE
Partly Cloudy
Humidity
84%
Feels like
57°F
Dew Point
52°F
9 AM
59°F
0%
2mph
S
Partly Cloudy
Humidity
83%
Feels like
59°F
Dew Point
54°F
10 AM
61°F
0%
2mph
SSW
Partly Cloudy
Humidity
82%
Feels like
61°F
Dew Point
55°F
11 AM
63°F
0%
3mph
SW
Mostly Sunny
Humidity
78%
Feels like
63°F
Dew Point
56°F
12 PM
64°F
0%
4mph
SW
Mostly Sunny
Humidity
74%
Feels like
64°F
Dew Point
56°F
1 PM
65°F
0%
5mph
WSW
Partly Cloudy
Humidity
71%
Feels like
65°F
Dew Point
56°F
2 PM
65°F
0%
5mph
WSW
Partly Cloudy
Humidity
71%
Feels like
65°F
Dew Point
56°F
3 PM
64°F
0%
5mph
WSW
Partly Cloudy
Humidity
75%
Feels like
64°F
Dew Point
56°F
4 PM
62°F
0%
5mph
WSW
Partly Cloudy
Humidity
82%
Feels like
62°F
Dew Point
56°F
4:45 PM
5 PM
59°F
0%
4mph
WSW
Mostly Clear
Humidity
87%
Feels like
59°F
Dew Point
55°F
6 PM
58°F
0%
3mph
WSW
Mostly Clear
Humidity
88%
Feels like
58°F
Dew Point
55°F
7 PM
58°F
0%
3mph
WSW
Mostly Clear
Humidity
90%
Feels like
58°F
Dew Point
55°F
8 PM
57°F
0%
2mph
WSW
Hazy
Humidity
91%
Feels like
57°F
Dew Point
55°F
9 PM
57°F
0%
2mph
NW
Hazy
Humidity
91%
Feels like
57°F
Dew Point
54°F
10 PM
57°F
0%
2mph
N
Hazy
Humidity
91%
Feels like
57°F
Dew Point
54°F
11 PM
56°F
0%
2mph
ENE
Hazy
Humidity
91%
Feels like
56°F
Dew Point
54°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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