S
M
T
W
T
F
S
27
73°
54°
28
77°
48°
29
81°
44°
30
69°
63°
1
70°
59°
2
68°
46°
3
72°
43°
4
73°
46°
5
74°
43°
6
78°
47°
7
81°
50°
8
76°
54°
9
79°
59°
10
83°
51°
11
78°
62°
12
82°
59°
13
69°
54°
14
65°
59°
15
62°
49°
16
59°
41°
17
57°
40°
18
59°
43°
19
62°
45°
20
62°
44°
21
61°
41°
22
60°
46°
23
54°
42°
24
62°
46°
25
65°
45°
26
62°
41°
27
63°
36°
28
51°
32°
29
53°
44°
30
57°
40°
31
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Rock Island
Rock Island's October 2026 forecast shows daily high temperatures ranging from 51° to 83°, with overnight lows between 32° and 62°. The average high for October is 64° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Rock Island. See also: November | December | January.
