Hourly Weather Forecast - Rancho Cucamonga, CA

12 AM
65°F
0%
4mph
N
Clear
Humidity
34%
Feels like
65°F
Dew Point
36°F
1 AM
64°F
0%
4mph
N
Clear
Humidity
34%
Feels like
64°F
Dew Point
35°F
2 AM
64°F
0%
4mph
N
Clear
Humidity
34%
Feels like
64°F
Dew Point
35°F
3 AM
64°F
0%
4mph
N
Clear
Humidity
34%
Feels like
64°F
Dew Point
35°F
4 AM
63°F
0%
4mph
N
Clear
Humidity
34%
Feels like
63°F
Dew Point
34°F
5 AM
62°F
0%
4mph
N
Clear
Humidity
36%
Feels like
62°F
Dew Point
34°F
6 AM
63°F
0%
4mph
N
Clear
Humidity
35%
Feels like
63°F
Dew Point
34°F
6:45 AM
7 AM
65°F
0%
4mph
N
Sunny
Humidity
36%
Feels like
65°F
Dew Point
38°F
8 AM
69°F
0%
4mph
NNW
Sunny
Humidity
32%
Feels like
69°F
Dew Point
38°F
9 AM
73°F
0%
3mph
NW
Sunny
Humidity
29%
Feels like
73°F
Dew Point
39°F
10 AM
75°F
0%
3mph
WNW
Sunny
Humidity
27%
Feels like
75°F
Dew Point
39°F
11 AM
78°F
0%
3mph
W
Sunny
Humidity
25%
Feels like
78°F
Dew Point
39°F
12 PM
78°F
0%
3mph
WSW
Sunny
Humidity
24%
Feels like
78°F
Dew Point
39°F
1 PM
79°F
0%
4mph
WSW
Sunny
Humidity
24%
Feels like
79°F
Dew Point
39°F
2 PM
78°F
0%
5mph
WSW
Sunny
Humidity
25%
Feels like
78°F
Dew Point
39°F
3 PM
76°F
0%
5mph
WSW
Sunny
Humidity
27%
Feels like
76°F
Dew Point
40°F
4 PM
73°F
0%
5mph
W
Sunny
Humidity
31%
Feels like
73°F
Dew Point
41°F
4:41 PM
5 PM
70°F
0%
4mph
W
Clear
Humidity
33%
Feels like
70°F
Dew Point
40°F
6 PM
68°F
0%
3mph
N
Clear
Humidity
34%
Feels like
68°F
Dew Point
39°F
7 PM
67°F
0%
2mph
NE
Clear
Humidity
35%
Feels like
67°F
Dew Point
39°F
8 PM
66°F
0%
2mph
NE
Clear
Humidity
37%
Feels like
66°F
Dew Point
39°F
9 PM
65°F
0%
3mph
NNE
Clear
Humidity
39%
Feels like
65°F
Dew Point
40°F
10 PM
64°F
0%
3mph
NNE
Clear
Humidity
40%
Feels like
64°F
Dew Point
40°F
11 PM
64°F
0%
3mph
NNE
Clear
Humidity
41%
Feels like
64°F
Dew Point
40°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

Thursday's Weather Outlook

Thursday'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