S
M
T
W
T
F
S
27
68°
57°
28
67°
58°
29
66°
57°
30
69°
43°
1
64°
54°
2
71°
56°
3
65°
55°
4
63°
56°
5
68°
56°
6
70°
55°
7
69°
54°
8
66°
54°
9
63°
50°
10
60°
46°
11
59°
45°
12
60°
51°
13
63°
53°
14
65°
53°
15
67°
54°
16
67°
53°
17
63°
52°
18
66°
48°
19
57°
46°
20
56°
43°
21
59°
50°
22
64°
52°
23
64°
51°
24
63°
51°
25
56°
50°
26
55°
50°
27
55°
49°
28
61°
50°
29
63°
48°
30
52°
38°
31
51°
39°
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 51° to 71°, with overnight lows between 38° and 58°. The average high for October is 63° 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.
