S
M
T
W
T
F
S
29
83°
47°
30
82°
56°
31
85°
60°
1
82°
62°
2
84°
68°
3
85°
71°
4
78°
50°
5
71°
43°
6
75°
41°
7
77°
47°
8
80°
51°
9
81°
52°
10
83°
57°
11
84°
60°
12
77°
67°
13
84°
71°
14
83°
70°
15
78°
63°
16
79°
63°
17
84°
65°
18
78°
44°
19
74°
40°
20
73°
49°
21
74°
56°
22
76°
62°
23
80°
69°
24
79°
59°
25
81°
62°
26
78°
66°
27
83°
53°
28
80°
58°
29
76°
57°
30
74°
54°
1
76°
52°
2
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rock Island
Rock Island's April 2026 forecast shows daily high temperatures ranging from 73° to 83°, with overnight lows between 49° and 69°. The average high for April is 77° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Rock Island. See also: May | June | July.
