Rancho Cucamonga Hourly Weather Forecast
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Starting off Sunny skies, turning Clear conditions later in the day. Temps range from 69° to 75°. Calm winds, shifting from SW to NNW at 2.2 mph, as humidity fluctuates between 26% to 36%, and an avg barometric pressure of 29.96 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
3 PM
75°F
71°F
26%
2 SW
29.95
38°F
3.4
1%
4 PM
75°F
71°F
26%
2.7 SW
29.95
38°F
1.7
1%
5 PM
75°F
70°F
26%
3.4 SW
29.94
38°F
0.5
1%
6 PM
74°F
69°F
28%
3.8 SW
29.94
39°F
0
1%
7 PM
72°F
69°F
30%
2.9 SSW
29.96
40°F
0
1%
8 PM
72°F
68°F
32%
2 SSW
29.97
40°F
0
1%
9 PM
71°F
68°F
34%
1.3 SW
29.97
41°F
0
1%
10 PM
70°F
68°F
35%
0.7 NW
29.98
41°F
0
1%
11 PM
69°F
66°F
36%
1.3 NNW
29.97
40°F
0
1%
Mon, Oct 19th 2026
Starting off Sunny skies, turning Clear conditions later in the day. Temps range from 63° to 76°. Light winds, shifting from NNE to ESE at 4.8 mph, as humidity fluctuates between 32% to 42%, and an avg barometric pressure of 29.9 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
68°F
64°F
36%
1.6 NNE
29.96
40°F
0
1%
1 AM
67°F
63°F
37%
1.8 NE
29.95
40°F
0
1%
2 AM
66°F
62°F
38%
1.8 ENE
29.95
39°F
0
1%
3 AM
65°F
62°F
39%
2 ENE
29.94
39°F
0
1%
4 AM
64°F
61°F
40%
2 E
29.93
39°F
0
1%
5 AM
63°F
60°F
41%
2.2 E
29.93
39°F
0
1%
6 AM
63°F
59°F
41%
2.7 ESE
29.94
39°F
0
1%
7 AM
63°F
59°F
42%
2.9 E
29.94
40°F
0
1%
8 AM
68°F
64°F
39%
3.4 E
29.95
43°F
0.3
1%
9 AM
71°F
67°F
35%
3.6 ESE
29.96
42°F
1.1
1%
10 AM
72°F
68°F
34%
4.5 SE
29.96
42°F
2.5
1%
11 AM
74°F
68°F
33%
6 SSE
29.95
43°F
4.2
1%
12 PM
75°F
69°F
33%
7.2 SSE
29.94
43°F
5.4
1%
1 PM
75°F
69°F
32%
7.6 SSE
29.91
44°F
5.7
1%
2 PM
76°F
70°F
32%
8.1 SSE
29.87
44°F
4.8
1%
3 PM
76°F
70°F
32%
7.8 SSE
29.86
44°F
3.3
1%
4 PM
76°F
70°F
32%
6.9 SSE
29.85
44°F
1.6
1%
5 PM
75°F
70°F
32%
7.2 SSE
29.84
44°F
0.5
1%
6 PM
74°F
69°F
34%
6 SE
29.83
44°F
0
1%
7 PM
73°F
69°F
35%
5.4 ESE
29.84
44°F
0
1%
8 PM
73°F
69°F
36%
5.1 ESE
29.85
44°F
0
1%
9 PM
72°F
68°F
37%
5.8 ESE
29.84
44°F
0
1%
10 PM
71°F
66°F
37%
6.3 ESE
29.85
44°F
0
1%
11 PM
70°F
65°F
38%
6.7 ESE
29.85
43°F
0
1%
Tue, Oct 20th 2026
Starting off Sunny skies, turning Clear conditions later in the day. Temps range from 65° to 77°. Breezy wind, shifting from ESE to SSE at 9.7 mph, while humidity ranges from 33% to 43%, and an avg barometric pressure of 29.86 inHg.
Temp
Feel
Humidity
Wind
Pressure
Dew Point
UV
Precip.
12 AM
70°F
64°F
38%
6.9 ESE
29.84
43°F
0
1%
1 AM
69°F
63°F
39%
6.9 ESE
29.84
43°F
0
1%
2 AM
68°F
62°F
39%
6.9 ESE
29.84
43°F
0
1%
3 AM
67°F
62°F
40%
7.4 E
29.83
42°F
0
1%
4 AM
67°F
61°F
41%
7.6 E
29.83
42°F
0
1%
5 AM
66°F
60°F
42%
7.4 E
29.84
42°F
0
1%
6 AM
66°F
60°F
42%
7.2 E
29.85
42°F
0
1%
7 AM
65°F
59°F
43%
7.4 ESE
29.86
42°F
0
1%
8 AM
68°F
62°F
41%
7.4 ESE
29.87
43°F
0.2
1%
9 AM
72°F
65°F
36%
9.4 ESE
29.89
43°F
1
1%
10 AM
73°F
65°F
34%
11.6 SE
29.89
43°F
2.5
1%
11 AM
74°F
65°F
34%
13.4 SE
29.89
44°F
4.2
1%
12 PM
76°F
66°F
33%
14.1 SSE
29.89
45°F
5.4
1%
1 PM
76°F
66°F
33%
16.3 SSE
29.86
45°F
5.7
1%
2 PM
77°F
67°F
33%
16.3 SSE
29.84
46°F
4.8
1%
This hour by hour weather report is relevant for ZIP codes 91729, 91730, and 91739, accurately covering areas of Rancho Cucamonga, CA.
Currently
|
73°F |
30 inHg.
Barometer 27%
Humidity SSW 2.2mph Wind |
| Sunny | ||
National Outlook
Coastal Impacts for Mid-Atlantic and Flash Flooding in South Florida - 10-18 to 10-20
Sun Oct 18th 2026, 9:10am PDT
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