Hourly Weather Forecast - Diamond Bar, CA

12 AM
61°F
0%
2mph
S
Partly Cloudy
Humidity
74%
Feels like
61°F
Dew Point
53°F
1 AM
60°F
0%
2mph
S
Partly Cloudy
Humidity
78%
Feels like
60°F
Dew Point
53°F
2 AM
58°F
0%
2mph
S
Partly Cloudy
Humidity
81%
Feels like
58°F
Dew Point
53°F
3 AM
57°F
0%
2mph
S
Partly Cloudy
Humidity
84%
Feels like
57°F
Dew Point
53°F
4 AM
56°F
0%
2mph
S
Mostly Clear
Humidity
87%
Feels like
56°F
Dew Point
53°F
5 AM
56°F
0%
2mph
S
Mostly Clear
Humidity
89%
Feels like
56°F
Dew Point
53°F
6 AM
57°F
0%
2mph
SSE
Mostly Clear
Humidity
87%
Feels like
57°F
Dew Point
53°F
6:18 AM
7 AM
59°F
0%
2mph
S
Mostly Sunny
Humidity
80%
Feels like
59°F
Dew Point
53°F
8 AM
62°F
0%
2mph
S
Mostly Sunny
Humidity
71%
Feels like
62°F
Dew Point
53°F
9 AM
65°F
0%
3mph
S
Mostly Sunny
Humidity
63%
Feels like
65°F
Dew Point
53°F
10 AM
68°F
0%
4mph
S
Mostly Sunny
Humidity
56%
Feels like
68°F
Dew Point
52°F
11 AM
70°F
0%
5mph
SSW
Mostly Sunny
Humidity
50%
Feels like
70°F
Dew Point
51°F
12 PM
71°F
0%
6mph
SSW
Mostly Sunny
Humidity
46%
Feels like
71°F
Dew Point
49°F
1 PM
72°F
0%
7mph
SSW
Sunny
Humidity
44%
Feels like
72°F
Dew Point
48°F
2 PM
71°F
0%
8mph
SW
Sunny
Humidity
43%
Feels like
71°F
Dew Point
48°F
3 PM
70°F
0%
8mph
SW
Sunny
Humidity
44%
Feels like
70°F
Dew Point
47°F
4 PM
67°F
0%
8mph
SW
Sunny
Humidity
49%
Feels like
67°F
Dew Point
47°F
5 PM
64°F
0%
6mph
SW
Sunny
Humidity
55%
Feels like
64°F
Dew Point
48°F
5:48 PM
6 PM
61°F
0%
5mph
SW
Clear
Humidity
62%
Feels like
61°F
Dew Point
48°F
7 PM
59°F
0%
4mph
SSW
Clear
Humidity
68%
Feels like
59°F
Dew Point
48°F
8 PM
57°F
0%
3mph
SSW
Mostly Clear
Humidity
73%
Feels like
57°F
Dew Point
49°F
9 PM
56°F
0%
2mph
S
Mostly Clear
Humidity
77%
Feels like
56°F
Dew Point
49°F
10 PM
55°F
0%
2mph
SE
Mostly Clear
Humidity
81%
Feels like
55°F
Dew Point
49°F
11 PM
54°F
0%
2mph
SE
Mostly Clear
Humidity
83%
Feels like
54°F
Dew Point
49°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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