Hourly Weather Forecast - Diamond Bar, CA

12 AM
55°F
10%
2mph
NNW
Cloudy
Humidity
79%
Feels like
55°F
Dew Point
49°F
1 AM
54°F
10%
2mph
N
Cloudy
Humidity
81%
Feels like
54°F
Dew Point
48°F
2 AM
53°F
10%
2mph
N
Cloudy
Humidity
82%
Feels like
53°F
Dew Point
47°F
3 AM
52°F
10%
3mph
NNE
Partly Cloudy
Humidity
83%
Feels like
52°F
Dew Point
47°F
4 AM
51°F
10%
3mph
NE
Partly Cloudy
Humidity
82%
Feels like
51°F
Dew Point
46°F
5 AM
50°F
0%
3mph
NE
Mostly Clear
Humidity
81%
Feels like
50°F
Dew Point
45°F
6 AM
51°F
0%
3mph
NE
Mostly Clear
Humidity
75%
Feels like
51°F
Dew Point
44°F
6:15 AM
7 AM
54°F
0%
4mph
NE
Sunny
Humidity
64%
Feels like
54°F
Dew Point
42°F
8 AM
59°F
0%
4mph
NE
Sunny
Humidity
52%
Feels like
59°F
Dew Point
41°F
9 AM
63°F
0%
5mph
NE
Sunny
Humidity
42%
Feels like
63°F
Dew Point
40°F
10 AM
68°F
0%
6mph
NE
Sunny
Humidity
35%
Feels like
68°F
Dew Point
39°F
11 AM
71°F
0%
6mph
N
Sunny
Humidity
29%
Feels like
71°F
Dew Point
38°F
12 PM
74°F
0%
6mph
NNW
Sunny
Humidity
25%
Feels like
74°F
Dew Point
36°F
1 PM
76°F
0%
6mph
NW
Sunny
Humidity
23%
Feels like
76°F
Dew Point
35°F
2 PM
77°F
0%
7mph
WNW
Sunny
Humidity
22%
Feels like
77°F
Dew Point
35°F
3 PM
77°F
0%
7mph
WNW
Sunny
Humidity
21%
Feels like
77°F
Dew Point
34°F
4 PM
75°F
0%
6mph
WNW
Sunny
Humidity
23%
Feels like
75°F
Dew Point
35°F
5 PM
72°F
0%
5mph
NW
Sunny
Humidity
26%
Feels like
72°F
Dew Point
35°F
5:50 PM
6 PM
68°F
0%
4mph
NNW
Clear
Humidity
31%
Feels like
68°F
Dew Point
36°F
7 PM
64°F
0%
4mph
N
Clear
Humidity
36%
Feels like
64°F
Dew Point
37°F
8 PM
62°F
0%
4mph
NNE
Clear
Humidity
39%
Feels like
62°F
Dew Point
37°F
9 PM
60°F
0%
4mph
NNE
Clear
Humidity
41%
Feels like
60°F
Dew Point
36°F
10 PM
58°F
0%
4mph
NNE
Clear
Humidity
42%
Feels like
58°F
Dew Point
35°F
11 PM
57°F
0%
5mph
NE
Clear
Humidity
43%
Feels like
57°F
Dew Point
34°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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