Hourly Weather Forecast - Diamond Bar, CA

12 AM
55°F
70%
6mph
ESE
70% Chance of Light Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
1 AM
56°F
70%
7mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
2 AM
56°F
80%
7mph
SE
80% Chance of Light Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
3 AM
56°F
90%
8mph
SE
Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
4 AM
56°F
90%
9mph
SSE
Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
5 AM
55°F
90%
8mph
SSE
Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
6 AM
55°F
90%
7mph
SSE
Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
6:54 AM
7 AM
57°F
90%
6mph
SE
Rain
Humidity
100%
Feels like
57°F
Dew Point
57°F
8 AM
59°F
90%
6mph
SE
Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
9 AM
60°F
90%
7mph
SE
Rain
Humidity
96%
Feels like
60°F
Dew Point
59°F
10 AM
60°F
90%
7mph
SE
Rain
Humidity
97%
Feels like
60°F
Dew Point
59°F
11 AM
60°F
100%
7mph
SSE
Rain
Humidity
97%
Feels like
60°F
Dew Point
60°F
12 PM
61°F
100%
7mph
SSE
Rain
Humidity
97%
Feels like
61°F
Dew Point
60°F
1 PM
61°F
100%
7mph
S
Rain
Humidity
96%
Feels like
61°F
Dew Point
60°F
2 PM
60°F
100%
7mph
S
Rain
Humidity
97%
Feels like
60°F
Dew Point
59°F
3 PM
58°F
100%
7mph
S
Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
4 PM
57°F
100%
6mph
SSE
Rain
Humidity
100%
Feels like
57°F
Dew Point
57°F
4:47 PM
5 PM
56°F
100%
6mph
SSE
Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
6 PM
56°F
100%
6mph
SSE
Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
7 PM
56°F
100%
5mph
SSE
Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
8 PM
56°F
90%
5mph
SE
Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
9 PM
56°F
90%
5mph
SE
Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
10 PM
57°F
90%
5mph
SE
Rain
Humidity
100%
Feels like
57°F
Dew Point
57°F
11 PM
57°F
90%
5mph
SE
Rain Showers
Humidity
100%
Feels like
57°F
Dew Point
57°F

Forecast Wind Gusts For Today

Storm Pummels Eastern U.S.

A strong disturbance will sweep across the eastern U.S. today bringing various impacts including rain and thunderstorms, snow and even strong wind gusts.

Rain And Snow Totals Through Tonight

Atmospheric River Impacts Pacific Northwest

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide