Hourly Weather Forecast - Rancho Cucamonga, CA

12 AM
59°F
0%
4mph
NNE
Mostly Clear
Humidity
38%
Feels like
59°F
Dew Point
34°F
1 AM
59°F
0%
4mph
NNE
Mostly Clear
Humidity
38%
Feels like
59°F
Dew Point
33°F
2 AM
58°F
0%
4mph
NNE
Mostly Clear
Humidity
37%
Feels like
58°F
Dew Point
33°F
3 AM
58°F
0%
4mph
NE
Clear
Humidity
37%
Feels like
58°F
Dew Point
32°F
4 AM
57°F
0%
5mph
NE
Clear
Humidity
37%
Feels like
57°F
Dew Point
31°F
5 AM
56°F
0%
5mph
NE
Clear
Humidity
38%
Feels like
56°F
Dew Point
31°F
6 AM
57°F
0%
5mph
NNE
Clear
Humidity
37%
Feels like
57°F
Dew Point
31°F
6:49 AM
7 AM
60°F
0%
5mph
NNE
Mostly Sunny
Humidity
33%
Feels like
60°F
Dew Point
31°F
8 AM
64°F
0%
4mph
NE
Sunny
Humidity
30%
Feels like
64°F
Dew Point
32°F
9 AM
68°F
0%
3mph
ENE
Sunny
Humidity
27%
Feels like
68°F
Dew Point
33°F
10 AM
71°F
0%
2mph
E
Sunny
Humidity
24%
Feels like
71°F
Dew Point
33°F
11 AM
74°F
0%
3mph
SE
Sunny
Humidity
23%
Feels like
74°F
Dew Point
33°F
12 PM
76°F
0%
3mph
SW
Sunny
Humidity
21%
Feels like
76°F
Dew Point
34°F
1 PM
77°F
0%
4mph
WSW
Sunny
Humidity
21%
Feels like
77°F
Dew Point
34°F
2 PM
77°F
0%
4mph
WSW
Sunny
Humidity
21%
Feels like
77°F
Dew Point
34°F
3 PM
75°F
0%
5mph
WSW
Sunny
Humidity
23%
Feels like
75°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

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

Weather Cameras

Outdoor Sports Guide