S
M
T
W
T
F
S
27
70°
61°
28
69°
59°
29
63°
57°
30
67°
58°
1
71°
59°
2
72°
64°
3
66°
49°
4
64°
50°
5
66°
54°
6
58°
51°
7
63°
39°
8
69°
57°
9
66°
48°
10
62°
43°
11
63°
43°
12
64°
53°
13
64°
56°
14
69°
62°
15
62°
40°
16
66°
50°
17
63°
46°
18
54°
39°
19
58°
39°
20
61°
53°
21
58°
52°
22
58°
53°
23
53°
39°
24
56°
34°
25
60°
46°
26
61°
49°
27
52°
41°
28
53°
43°
29
60°
53°
30
63°
52°
31
58°
49°
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 52° to 63°, with overnight lows between 41° and 53°. The average high for October is 58° with an average low of 48°. 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.
