Hourly Weather Forecast - Rancho Cucamonga, CA

12 AM
64°F
0%
3mph
NNE
Clear
Humidity
40%
Feels like
64°F
Dew Point
39°F
1 AM
63°F
0%
3mph
N
Clear
Humidity
40%
Feels like
63°F
Dew Point
39°F
2 AM
63°F
0%
4mph
N
Clear
Humidity
40%
Feels like
63°F
Dew Point
38°F
3 AM
62°F
0%
4mph
N
Clear
Humidity
40%
Feels like
62°F
Dew Point
37°F
4 AM
62°F
0%
4mph
N
Clear
Humidity
39%
Feels like
62°F
Dew Point
36°F
5 AM
60°F
0%
4mph
NNE
Clear
Humidity
40%
Feels like
60°F
Dew Point
36°F
6 AM
61°F
0%
4mph
NNE
Clear
Humidity
38%
Feels like
61°F
Dew Point
36°F
6:46 AM
7 AM
64°F
0%
4mph
NNE
Sunny
Humidity
39%
Feels like
64°F
Dew Point
39°F
8 AM
69°F
0%
3mph
NNE
Sunny
Humidity
34%
Feels like
69°F
Dew Point
39°F
9 AM
72°F
0%
2mph
NE
Sunny
Humidity
31%
Feels like
72°F
Dew Point
40°F
10 AM
74°F
0%
2mph
NE
Sunny
Humidity
28%
Feels like
74°F
Dew Point
39°F
11 AM
77°F
0%
3mph
E
Sunny
Humidity
27%
Feels like
77°F
Dew Point
40°F
12 PM
78°F
0%
4mph
SW
Sunny
Humidity
26%
Feels like
78°F
Dew Point
40°F
1 PM
78°F
0%
5mph
SW
Sunny
Humidity
26%
Feels like
78°F
Dew Point
40°F
2 PM
78°F
0%
5mph
WSW
Sunny
Humidity
26%
Feels like
78°F
Dew Point
40°F
3 PM
75°F
0%
6mph
WSW
Sunny
Humidity
29%
Feels like
75°F
Dew Point
41°F
4 PM
72°F
0%
5mph
WSW
Sunny
Humidity
34%
Feels like
72°F
Dew Point
42°F
4:41 PM
5 PM
68°F
0%
4mph
W
Clear
Humidity
38%
Feels like
68°F
Dew Point
42°F
6 PM
67°F
0%
3mph
WNW
Clear
Humidity
41%
Feels like
67°F
Dew Point
42°F
7 PM
65°F
0%
2mph
NNW
Clear
Humidity
43%
Feels like
65°F
Dew Point
42°F
8 PM
64°F
0%
2mph
N
Clear
Humidity
45%
Feels like
64°F
Dew Point
43°F
9 PM
63°F
0%
2mph
N
Clear
Humidity
48%
Feels like
63°F
Dew Point
43°F
10 PM
63°F
0%
2mph
N
Clear
Humidity
48%
Feels like
63°F
Dew Point
43°F
11 PM
62°F
0%
3mph
NNE
Clear
Humidity
49%
Feels like
62°F
Dew Point
43°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

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Traffic Cameras

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Outdoor Sports Guide