S
M
T
W
T
F
S
29
44°
27°
30
50°
40°
31
52°
43°
1
48°
41°
2
42°
37°
3
49°
38°
4
61°
38°
5
48°
39°
6
49°
35°
7
53°
31°
8
42°
31°
9
44°
38°
10
48°
42°
11
56°
38°
12
49°
42°
13
54°
47°
14
59°
49°
15
58°
40°
16
48°
41°
17
51°
41°
18
53°
42°
19
55°
44°
20
54°
45°
21
57°
52°
22
59°
43°
23
53°
40°
24
53°
44°
25
54°
44°
26
53°
43°
27
53°
43°
28
54°
41°
29
53°
41°
30
54°
40°
1
55°
47°
2
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Block Island
Block Island's April 2026 forecast shows daily high temperatures ranging from 42° to 63°, with overnight lows between 31° and 52°. The average high for April is 53° with an average low of 43°. 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 Block Island. See also: May | June | July.
