Hourly Weather Forecast - Diamond Bar, CA

12 AM
54°F
0%
2mph
ESE
Mostly Clear
Humidity
85%
Feels like
54°F
Dew Point
49°F
1 AM
53°F
0%
2mph
E
Mostly Clear
Humidity
87%
Feels like
53°F
Dew Point
49°F
2 AM
52°F
0%
2mph
ENE
Mostly Clear
Humidity
89%
Feels like
52°F
Dew Point
49°F
3 AM
51°F
0%
2mph
NE
Mostly Clear
Humidity
89%
Feels like
51°F
Dew Point
48°F
4 AM
51°F
0%
2mph
NE
Mostly Clear
Humidity
89%
Feels like
51°F
Dew Point
48°F
5 AM
51°F
0%
2mph
NE
Partly Cloudy
Humidity
90%
Feels like
51°F
Dew Point
48°F
6 AM
52°F
0%
2mph
NE
Partly Cloudy
Humidity
85%
Feels like
52°F
Dew Point
47°F
6:17 AM
7 AM
55°F
0%
2mph
NE
Mostly Sunny
Humidity
77%
Feels like
55°F
Dew Point
47°F
8 AM
58°F
0%
2mph
NNE
Mostly Sunny
Humidity
66%
Feels like
58°F
Dew Point
47°F
9 AM
62°F
0%
2mph
W
Mostly Sunny
Humidity
57%
Feels like
62°F
Dew Point
47°F
10 AM
66°F
0%
2mph
WSW
Mostly Sunny
Humidity
50%
Feels like
66°F
Dew Point
47°F
11 AM
69°F
0%
3mph
WSW
Sunny
Humidity
44%
Feels like
69°F
Dew Point
47°F
12 PM
72°F
0%
4mph
WSW
Sunny
Humidity
41%
Feels like
72°F
Dew Point
47°F
1 PM
73°F
0%
5mph
WSW
Sunny
Humidity
39%
Feels like
73°F
Dew Point
47°F
2 PM
74°F
0%
6mph
WSW
Sunny
Humidity
39%
Feels like
74°F
Dew Point
47°F
3 PM
74°F
0%
6mph
W
Sunny
Humidity
39%
Feels like
74°F
Dew Point
48°F
4 PM
72°F
0%
6mph
W
Sunny
Humidity
43%
Feels like
72°F
Dew Point
48°F
5 PM
69°F
0%
6mph
W
Sunny
Humidity
48%
Feels like
69°F
Dew Point
49°F
5:49 PM
6 PM
65°F
0%
5mph
WSW
Clear
Humidity
56%
Feels like
65°F
Dew Point
49°F
7 PM
62°F
0%
4mph
WSW
Clear
Humidity
62%
Feels like
62°F
Dew Point
49°F
8 PM
60°F
0%
3mph
WSW
Clear
Humidity
67%
Feels like
60°F
Dew Point
49°F
9 PM
58°F
0%
2mph
SSE
Clear
Humidity
72%
Feels like
58°F
Dew Point
49°F
10 PM
57°F
0%
2mph
ESE
Clear
Humidity
76%
Feels like
57°F
Dew Point
49°F
11 PM
56°F
0%
2mph
ESE
Clear
Humidity
79%
Feels like
56°F
Dew Point
50°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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