S
M
T
W
T
F
S
27
72°
60°
28
72°
59°
29
71°
58°
30
64°
56°
1
63°
56°
2
62°
57°
3
69°
58°
4
69°
57°
5
68°
58°
6
69°
57°
7
69°
57°
8
68°
56°
9
69°
56°
10
67°
55°
11
63°
56°
12
62°
50°
13
59°
47°
14
59°
48°
15
60°
49°
16
62°
45°
17
58°
51°
18
58°
55°
19
65°
52°
20
66°
52°
21
64°
51°
22
60°
51°
23
60°
50°
24
58°
51°
25
59°
51°
26
62°
50°
27
59°
47°
28
64°
42°
29
64°
42°
30
53°
48°
31
59°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Nantucket
Nantucket's October 2026 forecast shows daily high temperatures ranging from 53° to 72°, with overnight lows between 42° and 60°. The average high for October is 64° with an average low of 52°. 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 Nantucket. See also: November | December | January.
