Hourly Weather Forecast - Diamond Bar, CA

12 AM
69°F
0%
4mph
NE
Clear
Humidity
37%
Feels like
69°F
Dew Point
41°F
1 AM
68°F
0%
4mph
NE
Clear
Humidity
37%
Feels like
68°F
Dew Point
40°F
2 AM
67°F
0%
4mph
NE
Clear
Humidity
36%
Feels like
67°F
Dew Point
40°F
3 AM
66°F
0%
4mph
ENE
Clear
Humidity
37%
Feels like
66°F
Dew Point
39°F
4 AM
65°F
0%
4mph
ENE
Clear
Humidity
39%
Feels like
65°F
Dew Point
39°F
5 AM
63°F
0%
4mph
ENE
Clear
Humidity
41%
Feels like
63°F
Dew Point
39°F
6 AM
62°F
0%
4mph
ENE
Clear
Humidity
43%
Feels like
62°F
Dew Point
39°F
7 AM
63°F
0%
4mph
ENE
Clear
Humidity
41%
Feels like
63°F
Dew Point
40°F
7:04 AM
8 AM
67°F
0%
4mph
ENE
Sunny
Humidity
37%
Feels like
67°F
Dew Point
40°F
9 AM
73°F
0%
4mph
ENE
Sunny
Humidity
31%
Feels like
73°F
Dew Point
41°F
10 AM
79°F
0%
3mph
E
Sunny
Humidity
26%
Feels like
79°F
Dew Point
41°F
11 AM
83°F
0%
3mph
ESE
Mostly Sunny
Humidity
22%
Feels like
81°F
Dew Point
41°F
12 PM
87°F
0%
4mph
SSE
Mostly Sunny
Humidity
20%
Feels like
83°F
Dew Point
40°F
1 PM
89°F
0%
4mph
SSW
Mostly Sunny
Humidity
18%
Feels like
85°F
Dew Point
40°F
2 PM
90°F
0%
5mph
SW
Partly Cloudy
Humidity
17%
Feels like
86°F
Dew Point
39°F
3 PM
90°F
0%
6mph
WSW
Partly Cloudy
Humidity
17%
Feels like
86°F
Dew Point
39°F
4 PM
89°F
0%
7mph
WSW
Partly Cloudy
Humidity
18%
Feels like
85°F
Dew Point
40°F
5 PM
86°F
0%
7mph
WSW
Partly Cloudy
Humidity
20%
Feels like
83°F
Dew Point
40°F
6 PM
82°F
0%
6mph
WSW
Mostly Sunny
Humidity
24%
Feels like
80°F
Dew Point
41°F
6:57 PM
7 PM
77°F
0%
5mph
WSW
Mostly Clear
Humidity
28%
Feels like
77°F
Dew Point
42°F
8 PM
74°F
0%
4mph
WSW
Clear
Humidity
33%
Feels like
74°F
Dew Point
43°F
9 PM
71°F
0%
3mph
SW
Mostly Clear
Humidity
38%
Feels like
71°F
Dew Point
44°F
10 PM
69°F
0%
3mph
S
Mostly Clear
Humidity
43%
Feels like
69°F
Dew Point
45°F
11 PM
67°F
0%
3mph
ESE
Mostly Clear
Humidity
47%
Feels like
67°F
Dew Point
46°F

Today's Severe Weather Outlook

Severe Storms Rally from Gulf Coast to Mid-Atlantic

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide