Hourly Weather Forecast - Rancho Cucamonga, CA

12 AM
64°F
0%
3mph
N
Clear
Humidity
36%
Feels like
64°F
Dew Point
37°F
1 AM
63°F
0%
3mph
N
Mostly Clear
Humidity
37%
Feels like
63°F
Dew Point
37°F
2 AM
63°F
0%
4mph
N
Mostly Clear
Humidity
38%
Feels like
63°F
Dew Point
36°F
3 AM
62°F
0%
4mph
N
Mostly Clear
Humidity
38%
Feels like
62°F
Dew Point
36°F
4 AM
61°F
0%
4mph
N
Mostly Clear
Humidity
38%
Feels like
61°F
Dew Point
36°F
5 AM
61°F
0%
4mph
N
Mostly Clear
Humidity
40%
Feels like
61°F
Dew Point
36°F
6 AM
62°F
0%
4mph
N
Clear
Humidity
39%
Feels like
62°F
Dew Point
37°F
6:49 AM
7 AM
64°F
0%
4mph
N
Sunny
Humidity
38%
Feels like
64°F
Dew Point
38°F
8 AM
67°F
0%
4mph
N
Sunny
Humidity
36%
Feels like
67°F
Dew Point
39°F
9 AM
70°F
0%
3mph
N
Sunny
Humidity
34%
Feels like
70°F
Dew Point
41°F
10 AM
72°F
0%
3mph
N
Sunny
Humidity
33%
Feels like
72°F
Dew Point
41°F
11 AM
74°F
0%
3mph
NW
Sunny
Humidity
31%
Feels like
74°F
Dew Point
42°F
12 PM
75°F
0%
4mph
WNW
Sunny
Humidity
31%
Feels like
75°F
Dew Point
42°F
1 PM
76°F
0%
4mph
W
Sunny
Humidity
30%
Feels like
76°F
Dew Point
43°F
2 PM
76°F
0%
5mph
W
Sunny
Humidity
31%
Feels like
76°F
Dew Point
43°F
3 PM
74°F
0%
5mph
W
Sunny
Humidity
34%
Feels like
74°F
Dew Point
44°F
4 PM
71°F
0%
5mph
WNW
Sunny
Humidity
37%
Feels like
71°F
Dew Point
44°F
4:43 PM
5 PM
69°F
0%
4mph
NW
Clear
Humidity
41%
Feels like
69°F
Dew Point
44°F
6 PM
67°F
0%
3mph
NNW
Clear
Humidity
44%
Feels like
67°F
Dew Point
45°F
7 PM
67°F
0%
3mph
N
Clear
Humidity
45%
Feels like
67°F
Dew Point
45°F
8 PM
66°F
0%
3mph
N
Clear
Humidity
46%
Feels like
66°F
Dew Point
45°F
9 PM
65°F
0%
4mph
N
Clear
Humidity
48%
Feels like
65°F
Dew Point
45°F
10 PM
65°F
0%
4mph
N
Clear
Humidity
48%
Feels like
65°F
Dew Point
45°F
11 PM
64°F
0%
4mph
N
Clear
Humidity
49%
Feels like
64°F
Dew Point
45°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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