Hourly Weather Forecast - Diamond Bar, CA

12 AM
55°F
0%
6mph
NE
Clear
Humidity
38%
Feels like
55°F
Dew Point
30°F
1 AM
54°F
0%
7mph
NE
Clear
Humidity
40%
Feels like
54°F
Dew Point
30°F
2 AM
52°F
0%
7mph
NE
Clear
Humidity
41%
Feels like
52°F
Dew Point
29°F
3 AM
51°F
0%
8mph
NE
Clear
Humidity
42%
Feels like
51°F
Dew Point
29°F
4 AM
50°F
0%
8mph
NE
Clear
Humidity
42%
Feels like
50°F
Dew Point
28°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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