Hourly Weather Forecast - Diamond Bar, CA

12 AM
55°F
0%
5mph
NE
Mostly Clear
Humidity
43%
Feels like
55°F
Dew Point
33°F
1 AM
53°F
0%
5mph
NE
Mostly Clear
Humidity
44%
Feels like
53°F
Dew Point
32°F
2 AM
52°F
0%
5mph
NE
Partly Cloudy
Humidity
45%
Feels like
52°F
Dew Point
32°F
3 AM
51°F
0%
5mph
NE
Mostly Cloudy
Humidity
46%
Feels like
51°F
Dew Point
31°F
4 AM
51°F
0%
5mph
NE
Cloudy
Humidity
45%
Feels like
51°F
Dew Point
30°F
5 AM
51°F
0%
6mph
NE
Cloudy
Humidity
43%
Feels like
51°F
Dew Point
29°F
6 AM
53°F
0%
6mph
NE
Cloudy
Humidity
39%
Feels like
53°F
Dew Point
29°F
6:13 AM
7 AM
57°F
0%
6mph
NE
Cloudy
Humidity
33%
Feels like
57°F
Dew Point
28°F
8 AM
62°F
0%
7mph
NE
Cloudy
Humidity
26%
Feels like
62°F
Dew Point
27°F
9 AM
67°F
0%
8mph
NE
Mostly Cloudy
Humidity
21%
Feels like
67°F
Dew Point
26°F
10 AM
72°F
0%
9mph
NE
Mostly Cloudy
Humidity
17%
Feels like
72°F
Dew Point
25°F
11 AM
75°F
0%
9mph
NE
Partly Cloudy
Humidity
15%
Feels like
75°F
Dew Point
24°F
12 PM
76°F
0%
8mph
NE
Partly Cloudy
Humidity
13%
Feels like
76°F
Dew Point
22°F
1 PM
78°F
0%
7mph
NE
Mostly Sunny
Humidity
12%
Feels like
78°F
Dew Point
21°F
2 PM
78°F
0%
7mph
NE
Mostly Sunny
Humidity
12%
Feels like
78°F
Dew Point
21°F
3 PM
77°F
0%
7mph
NNE
Mostly Sunny
Humidity
13%
Feels like
77°F
Dew Point
22°F
4 PM
74°F
0%
6mph
NNE
Mostly Sunny
Humidity
15%
Feels like
74°F
Dew Point
24°F
5 PM
71°F
0%
6mph
NNE
Sunny
Humidity
18%
Feels like
71°F
Dew Point
25°F
5:51 PM
6 PM
67°F
0%
5mph
NNE
Clear
Humidity
23%
Feels like
67°F
Dew Point
27°F
7 PM
64°F
0%
5mph
NNE
Clear
Humidity
27%
Feels like
64°F
Dew Point
29°F
8 PM
62°F
0%
4mph
NE
Clear
Humidity
29%
Feels like
62°F
Dew Point
30°F
9 PM
60°F
0%
5mph
NE
Clear
Humidity
32%
Feels like
60°F
Dew Point
30°F
10 PM
59°F
0%
5mph
NE
Clear
Humidity
34%
Feels like
59°F
Dew Point
30°F
11 PM
57°F
0%
5mph
NE
Clear
Humidity
36%
Feels like
57°F
Dew Point
30°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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