S
M
T
W
T
F
S
27
66°
57°
28
67°
47°
29
72°
55°
30
65°
53°
1
64°
54°
2
66°
55°
3
71°
55°
4
70°
56°
5
71°
55°
6
65°
55°
7
67°
56°
8
69°
54°
9
69°
52°
10
61°
52°
11
66°
48°
12
60°
51°
13
64°
53°
14
68°
54°
15
68°
53°
16
66°
53°
17
68°
49°
18
59°
46°
19
57°
51°
20
61°
53°
21
64°
52°
22
65°
50°
23
56°
44°
24
54°
46°
25
59°
51°
26
67°
47°
27
64°
40°
28
58°
41°
29
57°
44°
30
60°
49°
31
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Block Island
Block Island's October 2026 forecast shows daily high temperatures ranging from 54° to 72°, with overnight lows between 40° and 57°. The average high for October is 64° with an average low of 51°. 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 Block Island. See also: November | December | January.
