Hourly Weather Forecast - Rancho Cucamonga, CA

8 AM
60°F
0%
5mph
NNW
Sunny
Humidity
39%
Feels like
60°F
Dew Point
35°F
9 AM
65°F
0%
4mph
NNW
Sunny
Humidity
35%
Feels like
65°F
Dew Point
36°F
10 AM
69°F
0%
4mph
NW
Sunny
Humidity
30%
Feels like
69°F
Dew Point
37°F
11 AM
73°F
0%
3mph
WNW
Sunny
Humidity
27%
Feels like
73°F
Dew Point
37°F
12 PM
75°F
0%
3mph
WNW
Sunny
Humidity
25%
Feels like
75°F
Dew Point
37°F
1 PM
77°F
0%
4mph
W
Sunny
Humidity
23%
Feels like
77°F
Dew Point
37°F
2 PM
78°F
0%
4mph
W
Sunny
Humidity
23%
Feels like
78°F
Dew Point
38°F
3 PM
76°F
0%
4mph
WNW
Sunny
Humidity
25%
Feels like
76°F
Dew Point
38°F
4 PM
74°F
0%
4mph
WNW
Sunny
Humidity
27%
Feels like
74°F
Dew Point
38°F
4:41 PM
5 PM
71°F
0%
3mph
NW
Clear
Humidity
29%
Feels like
71°F
Dew Point
37°F
6 PM
70°F
0%
3mph
NNE
Clear
Humidity
29%
Feels like
70°F
Dew Point
37°F
7 PM
69°F
0%
3mph
NNE
Clear
Humidity
29%
Feels like
69°F
Dew Point
36°F
8 PM
69°F
0%
3mph
NNE
Clear
Humidity
29%
Feels like
69°F
Dew Point
35°F
9 PM
66°F
0%
4mph
N
Clear
Humidity
32%
Feels like
66°F
Dew Point
35°F
10 PM
65°F
0%
4mph
NNW
Clear
Humidity
33%
Feels like
65°F
Dew Point
35°F
11 PM
65°F
0%
4mph
NNW
Clear
Humidity
34%
Feels like
65°F
Dew Point
35°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide